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Lei Qian to Retrospective Studies

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This is a "connection" page, showing publications Lei Qian has written about Retrospective Studies.
Lei Qian
Connection Strength
0.772
Retrospective Studies
  1. A safety study evaluating non-COVID-19 mortality risk following COVID-19 vaccination. Vaccine. 2023 01 16; 41(3):844-854.
    View in: PubMed
    Score: 0.130
  2. Health Care Utilization in the 6 Months Following SARS-CoV-2 Infection. JAMA Netw Open. 2022 08 01; 5(8):e2225657.
    View in: PubMed
    Score: 0.127
  3. Safety of tetanus, diphtheria, acellular pertussis (Tdap) vaccination during pregnancy. Vaccine. 2022 Jul 30; 40(32):4503-4512.
    View in: PubMed
    Score: 0.126
  4. Retrospective cohort study to assess the association between treatment with tocilizumab and mortality among mechanically ventilated patients with COVID-19. BMJ Open. 2022 10 31; 12(10):e060358.
    View in: PubMed
    Score: 0.032
  5. Travelers and travel vaccines at six health care systems in the Vaccine Safety Datalink. Vaccine. 2022 09 29; 40(41):5904-5911.
    View in: PubMed
    Score: 0.032
  6. Association of the 2020 US Presidential Election With Hospitalizations for Acute Cardiovascular Conditions. JAMA Netw Open. 2022 04 01; 5(4):e228031.
    View in: PubMed
    Score: 0.031
  7. Safety of Influenza Vaccination During Orthopaedic Surgery Hospitalizations. J Am Acad Orthop Surg. 2022 Jan 15; 30(2):e155-e163.
    View in: PubMed
    Score: 0.031
  8. Impact of the COVID-19 Pandemic on Health Care Utilization in a Large Integrated Health Care System: Retrospective Cohort Study. J Med Internet Res. 2021 04 29; 23(4):e26558.
    View in: PubMed
    Score: 0.029
  9. Pediatric Vaccination During the COVID-19 Pandemic. Pediatrics. 2021 07; 148(1).
    View in: PubMed
    Score: 0.029
  10. Prevalence and incidence of microvascular and macrovascular complications over 15 years among patients with incident type 2 diabetes. BMJ Open Diabetes Res Care. 2021 01; 9(1).
    View in: PubMed
    Score: 0.028
  11. Treatment Patterns and Blood Pressure Control With Initiation of Combination Versus Monotherapy Antihypertensive Regimens. Hypertension. 2021 01; 77(1):103-113.
    View in: PubMed
    Score: 0.028
  12. Sociopolitical stress and acute cardiovascular disease hospitalizations around the 2016 presidential election. Proc Natl Acad Sci U S A. 2020 10 27; 117(43):27054-27058.
    View in: PubMed
    Score: 0.028
  13. Obesity and Mortality Among Patients Diagnosed With COVID-19: Results From an Integrated Health Care Organization. Ann Intern Med. 2020 11 17; 173(10):773-781.
    View in: PubMed
    Score: 0.028
  14. Trends in statin utilization among adults with severe peripheral artery disease including critical limb ischemia in an integrated healthcare delivery system. Vasc Med. 2020 02; 25(1):3-12.
    View in: PubMed
    Score: 0.026
  15. Vaccine safety in HIV-infected adults within the Vaccine Safety Datalink Project. Vaccine. 2019 05 31; 37(25):3296-3302.
    View in: PubMed
    Score: 0.025
  16. Risk of Preterm or Small-for-Gestational-Age Birth After Influenza Vaccination During Pregnancy: Caveats When Conducting Retrospective Observational Studies. Am J Epidemiol. 2016 08 01; 184(3):176-86.
    View in: PubMed
    Score: 0.021
  17. Safety of Seasonal Influenza Vaccination in Hospitalized Surgical Patients: A Cohort Study. Ann Intern Med. 2016 05 03; 164(9):593-9.
    View in: PubMed
    Score: 0.020

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