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Wansu Chen, PhD, MS

TitleResearch Scientist II
InstitutionKaiser Permanente Southern California
DepartmentDepartment of Research and Evaluation
Address100 South Los Robles Avenue
Pasadena CA 91101
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Allahwerdy S, Xie F, Zhou B, Wu YL, Wessler B, Chen W, Lee MS. Racial and Ethnic Differences in the Prevalence of Severe Aortic Stenosis by Echocardiography. Perm J. 2024 Jul 25; 1-9. PMID: 39049576.
      Citations:    
    2. Chen W, Puttock EJ, Schatz M, Crawford W, Vollmer WM, Xie F, Xu S, Lustigova E, Zeiger RS. Risk Factors for Acute Asthma Exacerbations in Adults With Mild Asthma. J Allergy Clin Immunol Pract. 2024 May 29. PMID: 38821437.
      Citations:    
    3. Xie F, Chang J, Luong T, Wu B, Lustigova E, Shrader E, Chen W. Identifying Symptoms Prior to Pancreatic Ductal Adenocarcinoma Diagnosis in Real-World Care Settings: Natural Language Processing Approach. JMIR AI. 2024 Jan 15; 3:e51240. PMID: 38875566; PMCID: PMC11041417.
      Citations:    
    4. Crawford M, McDonald B, Chen W, Chowdhry H, Contreras R, Reyes IAC, Dhakal E, Villanueva T, Barzilay JI, Vaughn CF, Czerwiec FS, Katz DA, Adams AL, Gander JC. Dexamethasone Suppression Testing in a Contemporary Cohort with Adrenal Incidentalomas in Two U.S. Integrated Healthcare Systems. Biomedicines. 2023 Nov 28; 11(12). PMID: 38137386; PMCID: PMC10740617.
      Citations:    
    5. Moon RH, Puttock EJ, Chen W, Luong TQ, Wu BU. ASSOCIATION OF ENDOSCOPIC BIOSPY SAMPLING METHODS WITH DETECTION OF PRECURSOR LESIONS OF GASTRIC CANCER. Gastrointest Endosc. 2023 Sep 15. PMID: 37717603.
      Citations:    
    6. Chen W, Xie F, Mccarthy DP, Reynolds KL, Lee M, Coleman KJ, Getahun D, Koebnick C, Jacobsen SJ. Research data warehouse: using electronic health records to conduct population-based observational studies. JAMIA Open. 2023 Jul; 6(2):ooad039. PMID: 37359950; PMCID: PMC10284679.
      Citations:    
    7. Chen W, Zhou B, Jeon CY, Xie F, Lin YC, Butler RK, Zhou Y, Luong TQ, Lustigova E, Pisegna JR, Wu BU. Machine learning versus regression for prediction of sporadic pancreatic cancer. Pancreatology. 2023 Jun; 23(4):396-402. PMID: 37130760; PMCID: PMC10406388.
      Citations:    Fields:    Translation:Humans
    8. Chen W, Schatz M, Zhou Y, Xie F, Bali V, Das A, Schelfhout J, Stern JA, Zeiger RS. Prediction of persistent chronic cough in patients with chronic cough using machine learning. ERJ Open Res. 2023 Mar; 9(2). PMID: 37009024; PMCID: PMC10052506.
      Citations:    
    9. Chen W, Zhou Y, Asadpour V, Parker RA, Puttock EJ, Lustigova E, Wu BU. Quantitative Radiomic Features From Computed Tomography Can Predict Pancreatic Cancer up to 36 Months Before Diagnosis. Clin Transl Gastroenterol. 2023 01 01; 14(1):e00548. PMID: 36434803; PMCID: PMC9875961.
      Citations: 1     Fields:    Translation:Humans
    10. Chen W, Zhou Y, Xie F, Butler RK, Jeon CY, Luong TQ, Zhou B, Lin YC, Lustigova E, Pisegna JR, Kim S, Wu BU. Derivation and External Validation of Machine Learning-Based Model for Detection of Pancreatic Cancer. Am J Gastroenterol. 2023 01 01; 118(1):157-167. PMID: 36227806; PMCID: PMC9822857.
      Citations:    Fields:    Translation:Humans
    11. Chen W, Chen Q, Parker RA, Zhou Y, Lustigova E, Wu BU. Risk Prediction of Pancreatic Cancer in Patients With Abnormal Morphologic Findings Related to Chronic Pancreatitis: A Machine Learning Approach. Gastro Hep Adv. 2022; 1(6):1014-1026. PMID: 36467394; PMCID: PMC9718544.
      Citations:    
    12. Zheng C, Duffy J, Liu IA, Sy LS, Navarro RA, Kim SS, Ryan DS, Chen W, Qian L, Mercado C, Jacobsen SJ. Identifying Cases of Shoulder Injury Related to Vaccine Administration (SIRVA) in the United States: Development and Validation of a Natural Language Processing Method. JMIR Public Health Surveill. 2022 05 24; 8(5):e30426. PMID: 35608886; PMCID: PMC9175103.
      Citations: 1     Translation:HumansPHPublic Health
    13. Chen W, Butler RK, Lustigova E, Chari ST, Maitra A, Rinaudo JA, Wu BU. Risk Prediction of Pancreatic Cancer in Patients With Recent-onset Hyperglycemia: A Machine-learning Approach. J Clin Gastroenterol. 2022 Apr 21. PMID: 35470312.
      Citations: 1     Fields:    Translation:Humans
    14. Zheng C, Duffy J, Liu IA, Sy LS, Chen W, Qian L, Navarro RA, Ryan DS, Kim SS, Mercado C, Jacobsen SJ. Risk for Shoulder Conditions After Vaccination: A Population-Based Study Using Real-World Data. Ann Intern Med. 2022 Mar 22. PMID: 35313110.
      Citations: 1     Fields:    Translation:HumansPHPublic Health
    15. Zeiger RS, Schatz M, Zhou Y, Xie F, Bali V, Schelfhout J, Das A, Stern JA, Chen W. Risk Factors for Persistent Chronic Cough During Consecutive Years: A Retrospective Database Analysis. J Allergy Clin Immunol Pract. 2022 Mar 08. PMID: 35272071.
      Citations: 2     Fields:    Translation:Humans
    16. Kent DM, Leung LY, Zhou Y, Luetmer PH, Kallmes DF, Nelson J, Fu S, Zheng C, Liu H, Chen W. Association of Silent Cerebrovascular Disease Identified Using Natural Language Processing and Future Ischemic Stroke. Neurology. 2021 09 28; 97(13):e1313-e1321. PMID: 34376505; PMCID: PMC8480402.
      Citations: 6     Fields:    Translation:Humans
    17. Mefford MT, Zhuang Z, Liang Z, Chen W, Koyama SY, Taitano MT, Watson HL, Lee MS, Sidney S, Reynolds K. Temporal trends in heart failure mortality in an integrated healthcare delivery system, California, and the US, 2001-2017. BMC Cardiovasc Disord. 2021 05 26; 21(1):261. PMID: 34039262; PMCID: PMC8157708.
      Citations:    Fields:    Translation:Humans
    18. Amy Liu IL, Tanenbaum HC, Qian L, Sy LS, Chen W, Jacobsen SJ. Trends in Influenza Vaccine Uptake and Severe Influenza-Related Outcomes at Kaiser Permanente Southern California, 2007-2017. Perm J. 2021 05; 25. PMID: 33970069.
      Citations: 1     Fields:    Translation:HumansPHPublic Health
    19. Modjtahedi BS, Wu J, Luong TQ, Gandhi NK, Fong DS, Chen W. Severity of Diabetic Retinopathy and the Risk of Future Cerebrovascular Disease, Cardiovascular Disease, and All-Cause Mortality. Ophthalmology. 2021 Aug; 128(8):1169-1179. PMID: 33359888.
      Citations: 9     Fields:    Translation:Humans
    20. Zeiger RS, Xie F, Schatz M, Hong BD, Weaver JP, Bali V, Schelfhout J, Chen W. Prevalence and Characteristics of Chronic Cough in Adults Identified by Administrative Data. Perm J. 2020 12; 24:1-3. PMID: 33482968; PMCID: PMC7849260.
      Citations: 5     Fields:    Translation:Humans
    21. Liang Z, Nau C, Xie F, Vogel R, Chen W. The Application of Community-Based Information from the American Community Survey in a Large Integrated Health Care Organization. Perm J. 2020 12; 25:1-3. PMID: 33635758.
      Citations: 3     Fields:    Translation:Humans
    22. Zeiger RS, Schatz M, Hong B, Li Q, Stern JA, Takhar HS, Weaver JP, Bali V, Schelfhout J, Chen W. Patient-Reported Burden of Chronic Cough in a Managed Care Organization. J Allergy Clin Immunol Pract. 2021 04; 9(4):1624-1637.e10. PMID: 33227523.
      Citations: 9     Fields:    Translation:Humans
    23. Xie F, Chen Q, Zhou Y, Chen W, Bautista J, Nguyen ET, Parker RA, Wu BU. Characterization of patients with advanced chronic pancreatitis using natural language processing of radiology reports. PLoS One. 2020; 15(8):e0236817. PMID: 32813684; PMCID: PMC7437899.
      Citations: 4     Fields:    Translation:Humans
    24. Wu BU, Butler RK, Lustigova E, Lawrence JM, Chen W. Association of Glycated Hemoglobin Levels With Risk of Pancreatic Cancer. JAMA Netw Open. 2020 06 01; 3(6):e204945. PMID: 32530471; PMCID: PMC7292999.
      Citations: 3     Fields:    Translation:Humans
    25. Chen W, Butler RK, Zhou Y, Parker RA, Jeon CY, Wu BU. Prediction of Pancreatic Cancer Based on Imaging Features in Patients With Duct Abnormalities. Pancreas. 2020 03; 49(3):413-419. PMID: 32132511; PMCID: PMC7444654.
      Citations: 6     Fields:    Translation:Humans
    26. Chen W, Butler RK, Lustigova E, Chari ST, Wu BU. Validation of the Enriching New-Onset Diabetes for Pancreatic Cancer Model in a Diverse and Integrated Healthcare Setting. Dig Dis Sci. 2021 01; 66(1):78-87. PMID: 32112260.
      Citations: 12     Fields:    Translation:HumansPHPublic Health
    27. Zeiger RS, Schatz M, Butler RK, Weaver JP, Bali V, Chen W. Burden of Specialist-Diagnosed Chronic Cough in Adults. J Allergy Clin Immunol Pract. 2020 05; 8(5):1645-1657.e7. PMID: 32059869.
      Citations: 16     Fields:    Translation:Humans
    28. Yu W, Zheng C, Xie F, Chen W, Mercado C, Sy LS, Qian L, Glenn S, Tseng HF, Lee G, Duffy J, McNeil MM, Daley MF, Crane B, McLean HQ, Jackson LA, Jacobsen SJ. The use of natural language processing to identify vaccine-related anaphylaxis at five health care systems in the Vaccine Safety Datalink. Pharmacoepidemiol Drug Saf. 2020 02; 29(2):182-188. PMID: 31797475; PMCID: PMC7528887.
      Citations: 9     Fields:    Translation:Humans
    29. Chen W, Schatz M, Liang Z, Li Q, Sadikova E, Zhang Z, Bagga S, Zeiger RS. Controller therapy in Asians and whites with persistent Asthma. Asian Pac J Allergy Immunol. 2019 Jun; 37(2):73-86. PMID: 29888928.
      Citations:    Fields:    Translation:Humans
    30. Zheng C, Yu W, Xie F, Chen W, Mercado C, Sy LS, Qian L, Glenn S, Lee G, Tseng HF, Duffy J, Jackson LA, Daley MF, Crane B, McLean HQ, Jacobsen SJ. The use of natural language processing to identify Tdap-related local reactions at five health care systems in the Vaccine Safety Datalink. Int J Med Inform. 2019 07; 127:27-34. PMID: 31128829; PMCID: PMC6645678.
      Citations: 8     Fields:    Translation:HumansPHPublic Health
    31. Wu BU, Butler RK, Chen W. Factors Associated With Opioid Use in Patients Hospitalized for Acute Pancreatitis. JAMA Netw Open. 2019 04 05; 2(4):e191827. PMID: 30977846; PMCID: PMC6481601.
      Citations: 10     Fields:    Translation:Humans
    32. Dong E, Chang JI, Verma D, Butler RK, Villarin CK, Kwok KK, Chen W, Wu BU. Enhanced Recovery in Mild Acute Pancreatitis: A Randomized Controlled Trial. Pancreas. 2019 02; 48(2):176-181. PMID: 30629020.
      Citations: 6     Fields:    Translation:Humans
    33. Chen W, Yao J, Liang Z, Xie F, McCarthy D, Mingsum L, Reynolds K, Koebnick C, Jacobsen S. Temporal Trends in Mortality Rates among Kaiser Permanente Southern California Health Plan Enrollees, 2001-2016. Perm J. 2019; 23. PMID: 31050639; PMCID: PMC6499114.
      Citations: 13     Fields:    Translation:Humans
    34. Zeiger RS, Schatz M, Yang SJ, Chen W. Fractional Exhaled Nitric Oxide-Assisted Management of Uncontrolled Persistent Asthma: A Real-World Prospective Observational Study. Perm J. 2019; 23. PMID: 31050641; PMCID: PMC6499115.
      Citations: 2     Fields:    Translation:Humans
    35. Desai SH, Crawford WW, Sheikh J, Li ZQ, Chen W, Gong A, Vogel R, Schatz M. The HEDIS Medication Management for People with Asthma measure is not associated with improved asthma outcomes. J Allergy Clin Immunol Pract. 2019 04; 7(4):1327-1329.e8. PMID: 30368008.
      Citations:    Fields:    Translation:Humans
    36. Duan L, Ng A, Chen W, Spencer HT, Lee MS. Beta-blocker subtypes and risk of low birth weight in newborns. J Clin Hypertens (Greenwich). 2018 11; 20(11):1603-1609. PMID: 30267456.
      Citations: 16     Fields:    Translation:Humans
    37. Macy E, Yao JF, Chen W. Fatal Asthma: An Audit of 30 Million Patient-Years of Health Plan Membership from 2007 to 2015. J Allergy Clin Immunol Pract. 2019 02; 7(2):597-605. PMID: 30193940.
      Citations: 1     Fields:    Translation:Humans
    38. Wu BU, Batech M, Dong EY, Duan L, Yadav D, Chen W. Influence of Ambulatory Triglyceride Levels on Risk of Recurrence in Patients with Hypertriglyceridemic Pancreatitis. Dig Dis Sci. 2019 03; 64(3):890-897. PMID: 30094622.
      Citations: 9     Fields:    Translation:Humans
    39. Chen W, Qian L, Shi J, Franklin M. Comparing performance between log-binomial and robust Poisson regression models for estimating risk ratios under model misspecification. BMC Med Res Methodol. 2018 06 22; 18(1):63. PMID: 29929477.
      Citations: 133     Fields:    Translation:Humans
    40. Lee MS, Duan L, Clare R, Hekimian A, Spencer H, Chen W. Comparison of Effects of Statin Use on Mortality in Patients With Heart Failure and Preserved Versus Reduced Left Ventricular Ejection Fraction. Am J Cardiol. 2018 08 01; 122(3):405-412. PMID: 30201108.
      Citations: 9     Fields:    Translation:Humans
    41. Xie F, Lee J, Munoz-Plaza CE, Hahn EE, Chen W. Application of Text Information Extraction System for Real-Time Cancer Case Identification in an Integrated Healthcare Organization. J Pathol Inform. 2017; 8:48. PMID: 29416911.
      Citations: 11     
    42. Zeiger RS, Tran TN, Butler RK, Schatz M, Li Q, Khatry DB, Martin U, Kawatkar AA, Chen W. Relationship of Blood Eosinophil Count to Exacerbations in Chronic Obstructive Pulmonary Disease. J Allergy Clin Immunol Pract. 2018 May - Jun; 6(3):944-954.e5. PMID: 29153881.
      Citations: 31     Fields:    Translation:HumansCells
    43. Sue LY, Batech M, Yadav D, Pandol SJ, Blumentals WA, von Krusenstiern LS, Chen W, Wu BU. Effect of Serum Triglycerides on Clinical Outcomes in Acute Pancreatitis: Findings From a Regional Integrated Health Care System. Pancreas. 2017 08; 46(7):874-879. PMID: 28697126; PMCID: PMC6908305.
      Citations: 13     Fields:    Translation:Humans
    44. Zeiger RS, Tran TN, Schatz M, Li Q, Chen W, Khatry DB, Davis J, Kawatkar AA. Drivers of health care costs for adults with persistent asthma. J Allergy Clin Immunol Pract. 2018 Jan - Feb; 6(1):265-268.e4. PMID: 28709819.
      Citations: 1     Fields:    Translation:HumansCells
    45. Duan L, Ng A, Chen W, Spencer HT, Nguyen J, Shen AY, Lee MS. ß-Blocker Exposure in Pregnancy and Risk of Fetal Cardiac Anomalies. JAMA Intern Med. 2017 06 01; 177(6):885-887. PMID: 28418448; PMCID: PMC5818837.
      Citations: 14     Fields:    Translation:Humans
    46. Wu BU, Batech M, Quezada M, Lew D, Fujikawa K, Kung J, Jamil LH, Chen W, Afghani E, Reicher S, Buxbaum J, Pandol SJ. Dynamic Measurement of Disease Activity in Acute Pancreatitis: The Pancreatitis Activity Scoring System. Am J Gastroenterol. 2017 Jul; 112(7):1144-1152. PMID: 28462914; PMCID: PMC5519418.
      Citations: 25     Fields:    Translation:Humans
    47. Kawatkar AA, Farias AJ, Chao C, Chen W, Barron R, Vogl FD, Chandler DB. Hospitalizations, outcomes, and management costs of febrile neutropenia in patients from a managed care population. Support Care Cancer. 2017 09; 25(9):2787-2795. PMID: 28397022.
      Citations: 12     Fields:    Translation:Humans
    48. Zeiger RS, Schatz M, Li Q, Chen W, Khatry DB, Tran TN. Burden of Chronic Oral Corticosteroid Use by Adults with Persistent Asthma. J Allergy Clin Immunol Pract. 2017 Jul - Aug; 5(4):1050-1060.e9. PMID: 28215604.
      Citations: 16     Fields:    Translation:HumansCells
    49. Kai B, Bogorad Y, Nguyen LN, Yang SJ, Chen W, Spencer HT, Shen AY, Lee MS. Warfarin use and the risk of mortality, stroke, and bleeding in hemodialysis patients with atrial fibrillation. Heart Rhythm. 2017 05; 14(5):645-651. PMID: 28185918.
      Citations: 11     Fields:    Translation:Humans
    50. Zeiger RS, Schatz M, Dalal AA, Chen W, Sadikova E, Suruki RY, Kawatkar AA, Qian L. Blood Eosinophil Count and Outcomes in Severe Uncontrolled Asthma: A Prospective Study. J Allergy Clin Immunol Pract. 2017 Jan - Feb; 5(1):144-153.e8. PMID: 27665383.
      Citations: 24     Fields:    Translation:HumansCells
    51. Namazy JA, Schatz M, Yang SJ, Chen W. Antibiotics for respiratory infections during pregnancy: prevalence and risk factors. J Allergy Clin Immunol Pract. 2016 Nov - Dec; 4(6):1256-1257.e2. PMID: 27452887.
      Citations: 1     Fields:    Translation:Humans
    52. Xie F, Zheng C, Yuh-Jer Shen A, Chen W. Extracting and analyzing ejection fraction values from electronic echocardiography reports in a large health maintenance organization. Health Informatics J. 2017 12; 23(4):319-328. PMID: 27271114.
      Citations: 8     Fields:    Translation:Humans
    53. Lee MS, Chen W, Zhang Z, Duan L, Ng A, Spencer HT, Kwan DM, Shen AY. Atrial Fibrillation and Atrial Flutter in Pregnant Women-A Population-Based Study. J Am Heart Assoc. 2016 Apr 13; 5(4):e003182. PMID: 27076563; PMCID: PMC4843529.
      Citations: 13     Fields:    Translation:Humans
    54. Zeiger RS, Schatz M, Li Q, Chen W, Khatry DB, Tran TN. Characteristics and Outcomes of HEDIS-Defined Asthma Patients with COPD Diagnostic Coding. J Allergy Clin Immunol Pract. 2016 Mar-Apr; 4(2):273-83.e5. PMID: 26619923.
      Citations: 3     Fields:    Translation:HumansCells
    55. Zeiger RS, Schatz M, Dalal AA, Qian L, Chen W, Ngor EW, Suruki RY, Kawatkar AA. Utilization and Costs of Severe Uncontrolled Asthma in a Managed-Care Setting. J Allergy Clin Immunol Pract. 2016 Jan-Feb; 4(1):120-9.e3. PMID: 26439182.
      Citations: 41     Fields:    Translation:Humans
    56. Christiansen SC, Schatz M, Yang SJ, Ngor E, Chen W, Zuraw BL. Hypertension and Asthma: A Comorbid Relationship. J Allergy Clin Immunol Pract. 2016 Jan-Feb; 4(1):76-81. PMID: 26342745.
      Citations: 28     Fields:    Translation:Humans
    57. Zeiger RS, Schatz M, Chen W, Li Q, Khatry DB, Tran TN. Adherent uncontrolled adult persistent asthma: Characteristics and asthma outcomes. J Allergy Clin Immunol Pract. 2015 Nov-Dec; 3(6):986-90.e2. PMID: 26282160.
      Citations: 4     Fields:    Translation:Humans
    58. Schatz M, Zeiger RS, Yang SJ, Chen W, Sajjan S, Allen-Ramey F, Camargo CA. Prospective Study on the Relationship of Obesity to Asthma Impairment and Risk. J Allergy Clin Immunol Pract. 2015 Jul-Aug; 3(4):560-5.e1. PMID: 25975622.
      Citations: 20     Fields:    Translation:Humans
    59. Zeiger RS, Schatz M, Li Q, Chen W, Khatry DB, Gossage D, Tran TN. The association of blood eosinophil counts to future asthma exacerbations in children with persistent asthma. J Allergy Clin Immunol Pract. 2015 Mar-Apr; 3(2):283-287.e4. PMID: 25609347.
      Citations: 11     Fields:    Translation:HumansCells
    60. Iyer R, Longstreth GF, Chu LH, Chen W, Yen L, Hodgkins P, Kawatkar AA. Acute colonic diverticulitis: diagnostic evidence, demographic and clinical features in three practice settings. J Gastrointestin Liver Dis. 2014 Dec; 23(4):379-86. PMID: 25531995.
      Citations: 1     Fields:    Translation:Humans
    61. Kawatkar A, Chu LH, Iyer R, Yen L, Chen W, Erder MH, Hodgkins P, Longstreth G. Development and validation of algorithms to identify acute diverticulitis. Pharmacoepidemiol Drug Saf. 2015 Jan; 24(1):27-37. PMID: 25257514.
      Citations: 3     Fields:    Translation:Humans
    62. Zeiger RS, Schatz M, Li Q, Chen W, Khatry DB, Gossage D, Tran TN. High blood eosinophil count is a risk factor for future asthma exacerbations in adult persistent asthma. J Allergy Clin Immunol Pract. 2014 Nov-Dec; 2(6):741-50. PMID: 25439366.
      Citations: 72     Fields:    Translation:HumansCells
    63. Chen W, Shi J, Qian L, Azen SP. Comparison of robustness to outliers between robust poisson models and log-binomial models when estimating relative risks for common binary outcomes: a simulation study. BMC Med Res Methodol. 2014 Jun 26; 14:82. PMID: 24965498.
      Citations: 37     Fields:    Translation:Humans
    64. Zeiger RS, Schatz M, Li Q, Solari PG, Zazzali JL, Chen W. Real-time asthma outreach reduces excessive short-acting ß2-agonist use: a randomized study. J Allergy Clin Immunol Pract. 2014 Jul-Aug; 2(4):445-456, 456.e1-5. PMID: 25017534.
      Citations: 8     Fields:    Translation:Humans
    65. Schatz M, Hsu JW, Zeiger RS, Chen W, Dorenbaum A, Chipps BE, Haselkorn T. Phenotypes determined by cluster analysis in severe or difficult-to-treat asthma. J Allergy Clin Immunol. 2014 Jun; 133(6):1549-56. PMID: 24315502.
      Citations: 86     Fields:    Translation:Humans
    66. Schatz M, Zeiger RS, Yang SJ, Chen W, Crawford W, Sajjan S, Allen-Ramey F. Change in asthma control over time: predictors and outcomes. J Allergy Clin Immunol Pract. 2014 Jan-Feb; 2(1):59-64. PMID: 24565770.
      Citations: 3     Fields:    Translation:Humans
    67. Schatz M, Zeiger RS, Zhang F, Chen W, Yang SJ, Camargo CA. Overweight/obesity and risk of seasonal asthma exacerbations. J Allergy Clin Immunol Pract. 2013 Nov-Dec; 1(6):618-22. PMID: 24565709.
      Citations: 26     Fields:    Translation:Humans
    68. Schatz M, Zeiger RS, Yang SJ, Weinstein AG, Chen W, Saris-Baglama RN, Turner-Bowker DM. Development and preliminary validation of the Adult Asthma Adherence Questionnaire™. J Allergy Clin Immunol Pract. 2013 May-Jun; 1(3):280-8. PMID: 24565486.
      Citations: 13     Fields:    Translation:Humans
    69. Getahun D, Jacobsen SJ, Fassett MJ, Chen W, Demissie K, Rhoads GG. Recent trends in childhood attention-deficit/hyperactivity disorder. JAMA Pediatr. 2013 Mar 01; 167(3):282-8. PMID: 23338799.
      Citations: 70     Fields:    Translation:Humans
    70. Longstreth GF, Iyer RL, Chu LH, Chen W, Yen LS, Hodgkins P, Kawatkar AA. Acute diverticulitis: demographic, clinical and laboratory features associated with computed tomography findings in 741 patients. Aliment Pharmacol Ther. 2012 Nov; 36(9):886-94. PMID: 22967027.
      Citations: 14     Fields:    Translation:Humans
    71. Schatz M, Zeiger RS, Chen W, Yang SJ, Stanford RH, Garris CP. A comparison of the psychometric properties of the Mini-Rhinitis Quality of Life Questionnaire and the Rhinitis Control Assessment Test. Am J Rhinol Allergy. 2012 Mar-Apr; 26(2):127-33. PMID: 22487290.
      Citations: 3     Fields:    Translation:Humans
    72. Schatz M, Zeiger RS, Zhang F, Chen W. Development and preliminary validation of the Asthma Intensity Manifestations Score (AIMS) derived from Asthma Control Test, FEV(1), fractional exhaled nitric oxide, and step therapy assessments. J Asthma. 2012 Mar; 49(2):172-7. PMID: 22304003.
      Citations: 1     Fields:    Translation:Humans
    73. Koebnick C, Langer-Gould AM, Gould MK, Chao CR, Iyer RL, Smith N, Chen W, Jacobsen SJ. Sociodemographic characteristics of members of a large, integrated health care system: comparison with US Census Bureau data. Perm J. 2012; 16(3):37-41. PMID: 23012597.
      Citations: 296     Fields:    Translation:Humans
    74. Schatz M, Zeiger RS, Yang SJ, Chen W, Crawford W, Sajjan S, Allen-Ramey F. The relationship of asthma impairment determined by psychometric tools to future asthma exacerbations. Chest. 2012 Jan; 141(1):66-72. PMID: 21868465.
      Citations: 14     Fields:    Translation:Humans
    75. Zeiger RS, Schatz M, Zhang F, Crawford WW, Kaplan MS, Roth RM, Chen W. Elevated exhaled nitric oxide is a clinical indicator of future uncontrolled asthma in asthmatic patients on inhaled corticosteroids. J Allergy Clin Immunol. 2011 Aug; 128(2):412-4. PMID: 21807253.
      Citations: 24     Fields:    Translation:Humans
    76. Schatz M, Zeiger RS, Yang SJ, Chen W, Kosinski M. Further validation and definition of the psychometric properties of the Asthma Impact Survey. J Allergy Clin Immunol. 2011 Jul; 128(1):44-49.e1. PMID: 21320719.
      Citations: 2     Fields:    Translation:Humans
    77. Zeiger RS, Schatz M, Zhang F, Crawford WW, Kaplan MS, Roth RM, Chen W. Association of exhaled nitric oxide to asthma burden in asthmatics on inhaled corticosteroids. J Asthma. 2011 Feb; 48(1):8-17. PMID: 21155706.
      Citations: 7     Fields:    Translation:Humans
    78. Smith N, Iyer RL, Langer-Gould A, Getahun DT, Strickland D, Jacobsen SJ, Chen W, Derose SF, Koebnick C. Health plan administrative records versus birth certificate records: quality of race and ethnicity information in children. BMC Health Serv Res. 2010 Nov 23; 10:316. PMID: 21092309.
      Citations: 37     Fields:    Translation:Humans
    79. Schatz M, Zeiger RS, Yang SJ, Chen W, Crawford WW, Sajjan SG, Allen-Ramey F. Persistent asthma defined using HEDIS versus survey criteria. Am J Manag Care. 2010 Nov 01; 16(11):e281-8. PMID: 21087074.
      Citations: 9     Fields:    Translation:Humans
    80. Shen AY, Contreras R, Sobnosky S, Shah AI, Ichiuji AM, Jorgensen MB, Brar SS, Chen W. Racial/ethnic differences in the prevalence of atrial fibrillation among older adults--a cross-sectional study. J Natl Med Assoc. 2010 Oct; 102(10):906-13. PMID: 21053705.
      Citations: 40     Fields:    Translation:Humans
    81. Smith N, Coleman KJ, Lawrence JM, Quinn VP, Getahun D, Reynolds K, Chen W, Porter AH, Jacobsen SJ, Koebnick C. Body weight and height data in electronic medical records of children. Int J Pediatr Obes. 2010 May 03; 5(3):237-42. PMID: 19961272.
      Citations: 34     Fields:    Translation:Humans
    82. Schatz M, Zeiger RS, Yang SJ, Chen W, Crawford WW, Sajjan SG, Allen-Ramey F. Relationship of asthma control to asthma exacerbations using surrogate markers within a managed care database. Am J Manag Care. 2010 May; 16(5):327-33. PMID: 20469953.
      Citations: 18     Fields:    Translation:Humans
    83. Getahun D, Strickland D, Zeiger RS, Fassett MJ, Chen W, Rhoads GG, Jacobsen SJ. Effect of chorioamnionitis on early childhood asthma. Arch Pediatr Adolesc Med. 2010 Feb; 164(2):187-92. PMID: 20124149.
      Citations: 42     Fields:    Translation:Humans
    84. Zeiger RS, Schatz M, Li Q, Zhang F, Purdum AS, Chen W. Step-up care improves impairment in uncontrolled asthma: an administrative data study. Am J Manag Care. 2010; 16(12):897-906. PMID: 21348560.
      Citations: 5     Fields:    Translation:Humans
    85. Lawrence JM, Black MH, Hsu JW, Chen W, Sacks DA. Prevalence and timing of postpartum glucose testing and sustained glucose dysregulation after gestational diabetes mellitus. Diabetes Care. 2010 Mar; 33(3):569-76. PMID: 20040657.
      Citations: 54     Fields:    Translation:Humans
    86. Getahun D, Lawrence JM, Fassett MJ, Strickland D, Koebnick C, Chen W, Jacobsen SJ. The association between stillbirth in the first pregnancy and subsequent adverse perinatal outcomes. Am J Obstet Gynecol. 2009 Oct; 201(4):378.e1-6. PMID: 19691947.
      Citations: 17     Fields:    Translation:Humans
    87. Schatz M, Zeiger RS, Chen W, Yang SJ, Corrao MA, Quinn VP. The burden of rhinitis in a managed care organization. Ann Allergy Asthma Immunol. 2008 Sep; 101(3):240-7. PMID: 18814446.
      Citations: 13     Fields:    Translation:Humans
    88. Shen AY, Yao JF, Brar SS, Jorgensen MB, Wang X, Chen W. Racial/Ethnic differences in ischemic stroke rates and the efficacy of warfarin among patients with atrial fibrillation. Stroke. 2008 Oct; 39(10):2736-43. PMID: 18635860.
      Citations: 37     Fields:    Translation:Humans
    89. Zeiger RS, Hay JW, Contreras R, Chen W, Quinn VP, Seal B, Schatz M. Asthma costs and utilization in a managed care organization. J Allergy Clin Immunol. 2008 Apr; 121(4):885-92.e5. PMID: 18313133.
      Citations: 10     Fields:    Translation:Humans
    90. Lawrence JM, Contreras R, Chen W, Sacks DA. Trends in the prevalence of preexisting diabetes and gestational diabetes mellitus among a racially/ethnically diverse population of pregnant women, 1999-2005. Diabetes Care. 2008 May; 31(5):899-904. PMID: 18223030.
      Citations: 227     Fields:    Translation:Humans
    91. Shen AY, Chen W, Yao JF, Brar SS, Wang X, Go AS. Effect of race/ethnicity on the efficacy of warfarin: potential implications for prevention of stroke in patients with atrial fibrillation. CNS Drugs. 2008; 22(10):815-25. PMID: 18788834.
      Citations: 17     Fields:    Translation:Humans
    92. Shen AY, Yao JF, Brar SS, Jorgensen MB, Chen W. Racial/ethnic differences in the risk of intracranial hemorrhage among patients with atrial fibrillation. J Am Coll Cardiol. 2007 Jul 24; 50(4):309-15. PMID: 17659197.
      Citations: 216     Fields:    Translation:Humans
    93. Chen W, Petitti DB, Geiger AM. Mortality following development of breast cancer while using oestrogen or oestrogen plus progestin: a computer record-linkage study. Br J Cancer. 2005 Aug 22; 93(4):392-8. PMID: 16106246; PMCID: PMC2361586.
      Citations: 8     Fields:    Translation:Humans
    94. Geiger AM, Chen W, Bernstein L. Myocardial infarction risk and tamoxifen therapy for breast cancer. Br J Cancer. 2005 May 09; 92(9):1614-20. PMID: 15841078; PMCID: PMC2362055.
      Citations: 9     Fields:    Translation:Humans
    95. Haque R, Enger SM, Chen W, Petitti DB. Breast cancer risk in a large cohort of female antidepressant medication users. Cancer Lett. 2005 Apr 18; 221(1):61-5. PMID: 15797628.
      Citations: 14     Fields:    Translation:Humans
    96. Xie F, Petitti DB, Chen W. Prescribing patterns for antihypertensive drugs after the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial: report of experience in a health maintenance organization. Am J Hypertens. 2005 Apr; 18(4 Pt 1):464-9. PMID: 15831354.
      Citations: 10     Fields:    Translation:Humans
    97. Jones CI, Chen W, Mulligan KS. Preventing Unintended Pregnancy: Eight Years of Effort at KP San Diego. Perm J. 2005; 9(1):69-71. PMID: 21687488; PMCID: PMC3108418.
      Citations:    Fields:    
    98. Geiger AM, Fischberg GM, Chen W, Bernstein L. Stroke risk and tamoxifen therapy for breast cancer. J Natl Cancer Inst. 2004 Oct 20; 96(20):1528-36. PMID: 15494603.
      Citations: 12     Fields:    Translation:Humans
    99. Chen W, Petitti DB, Enger S. Limitations and potential uses of census-based data on ethnicity in a diverse community. Ann Epidemiol. 2004 May; 14(5):339-45. PMID: 15177273.
      Citations: 26     Fields:    Translation:Humans
    100. Sacks DA, Chen W, Wolde-Tsadik G, Buchanan TA. Fasting plasma glucose test at the first prenatal visit as a screen for gestational diabetes. Obstet Gynecol. 2003 Jun; 101(6):1197-203. PMID: 12798525.
      Citations: 19     Fields:    Translation:HumansPHPublic Health
    101. Fong DS, Sharza M, Chen W, Paschal JF, Ariyasu RG, Lee PP. Vision loss among diabetics in a group model Health Maintenance Organization (HMO). Am J Ophthalmol. 2002 Feb; 133(2):236-41. PMID: 11812428.
      Citations: 16     Fields:    Translation:Humans
    102. Sacks DA, Chen W. Estimating fetal weight in the management of macrosomia. Obstet Gynecol Surv. 2000 Apr; 55(4):229-39. PMID: 10758619.
      Citations: 7     Fields:    Translation:Humans
    103. Sacks DA, Chen W, Wolde-Tsadik G, Buchanan TA. When is fasting really fasting? The influence of time of day, interval after a meal, and maternal body mass on maternal glycemia in gestational diabetes. Am J Obstet Gynecol. 1999 Oct; 181(4):904-11. PMID: 10521751.
      Citations: 4     Fields:    Translation:HumansCTClinical Trials
    104. Selevan JS, Fields WW, Chen W, Petitti DB, Wolde-Tsadik G. Critical care transport: outcome evaluation after interfacility transfer and hospitalization. Ann Emerg Med. 1999 Jan; 33(1):33-43. PMID: 9867884.
      Citations: 4     Fields:    Translation:Humans
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