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Lei Qian

Concepts (187)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Vaccines
11
2022
218
1.930
Why?
Vaccination
17
2023
685
1.230
Why?
Whooping Cough
4
2022
65
1.040
Why?
Diphtheria-Tetanus-acellular Pertussis Vaccines
3
2022
88
0.970
Why?
Diphtheria
2
2022
13
0.880
Why?
Tetanus
2
2022
17
0.870
Why?
Humans
45
2023
17376
0.790
Why?
Cataplexy
1
2022
6
0.770
Why?
Narcolepsy
1
2022
9
0.770
Why?
Bell Palsy
1
2022
14
0.770
Why?
Thrombocytopenia
1
2022
15
0.760
Why?
Retrospective Studies
17
2022
2428
0.720
Why?
Myocardial Infarction
4
2022
225
0.620
Why?
Asthma
3
2020
388
0.550
Why?
Cohort Studies
10
2022
2526
0.540
Why?
Blood Cells
1
2016
4
0.530
Why?
Eosinophils
1
2016
9
0.520
Why?
Adult
20
2023
7529
0.520
Why?
Infant
10
2022
1162
0.510
Why?
Female
26
2022
12444
0.500
Why?
Male
23
2022
9843
0.450
Why?
Herpes Zoster Vaccine
3
2021
59
0.440
Why?
Seizures, Febrile
4
2022
42
0.430
Why?
Hospitalization
7
2022
805
0.400
Why?
Pandemics
4
2022
285
0.390
Why?
Aged
17
2021
6129
0.380
Why?
Delivery of Health Care, Integrated
4
2021
537
0.360
Why?
Middle Aged
17
2021
7885
0.350
Why?
United States
13
2022
3891
0.350
Why?
Influenza, Human
3
2022
282
0.350
Why?
Adolescent
12
2023
3533
0.340
Why?
Natural Language Processing
3
2022
60
0.340
Why?
Stroke
3
2022
310
0.330
Why?
Outpatients
2
2021
101
0.330
Why?
Patient Acceptance of Health Care
3
2022
380
0.330
Why?
Herpes Zoster
2
2021
82
0.300
Why?
Hepatitis B Vaccines
2
2020
44
0.280
Why?
Incidence
5
2022
1266
0.280
Why?
Databases, Factual
3
2019
306
0.260
Why?
Case-Control Studies
4
2023
1100
0.260
Why?
Infant, Newborn
4
2022
805
0.260
Why?
Young Adult
11
2021
2473
0.250
Why?
Influenza Vaccines
4
2019
294
0.250
Why?
Measles Vaccine
2
2022
17
0.230
Why?
California
9
2022
2317
0.220
Why?
Prospective Studies
4
2023
1229
0.210
Why?
Models, Statistical
2
2014
173
0.200
Why?
Typhoid-Paratyphoid Vaccines
1
2022
3
0.200
Why?
Travel
1
2022
10
0.200
Why?
Corynebacterium
1
2022
3
0.200
Why?
Latent Tuberculosis
1
2022
11
0.200
Why?
Aged, 80 and over
8
2020
1942
0.200
Why?
Shoulder Injuries
1
2022
2
0.200
Why?
Placenta
1
2022
20
0.190
Why?
Tuberculosis
1
2022
24
0.190
Why?
Orthopedic Procedures
1
2022
6
0.190
Why?
Anaphylaxis
2
2019
16
0.190
Why?
Child, Preschool
8
2021
1375
0.190
Why?
Measles
1
2022
24
0.190
Why?
Child
8
2022
2382
0.180
Why?
Politics
1
2020
10
0.170
Why?
Treatment Adherence and Compliance
1
2020
12
0.170
Why?
Inpatients
1
2021
79
0.170
Why?
Vaccination Coverage
1
2021
52
0.170
Why?
Urinary Tract Infections
1
2020
19
0.170
Why?
Diabetes Complications
1
2021
106
0.170
Why?
Hepatitis B
1
2020
45
0.170
Why?
Betacoronavirus
1
2020
37
0.170
Why?
Emergency Service, Hospital
2
2021
381
0.160
Why?
Ischemia
1
2019
4
0.160
Why?
Peripheral Arterial Disease
1
2019
12
0.160
Why?
Coronavirus Infections
1
2020
50
0.160
Why?
Delivery of Health Care
2
2020
395
0.160
Why?
Pneumonia, Viral
1
2020
57
0.160
Why?
Hypertension
2
2020
469
0.160
Why?
Autism Spectrum Disorder
1
2022
159
0.160
Why?
Stress, Psychological
1
2020
133
0.160
Why?
Pregnancy
2
2022
1466
0.160
Why?
Antihypertensive Agents
1
2020
155
0.160
Why?
Recurrence
2
2016
165
0.160
Why?
Risk
3
2020
498
0.150
Why?
Dyslipidemias
1
2019
56
0.150
Why?
Pain
1
2019
75
0.150
Why?
Disease Progression
2
2016
259
0.150
Why?
Telemedicine
1
2021
182
0.140
Why?
Healthcare Disparities
1
2020
205
0.140
Why?
Medicare Part D
1
2017
15
0.140
Why?
Hydroxymethylglutaryl-CoA Reductase Inhibitors
1
2019
165
0.140
Why?
Cost Sharing
1
2017
29
0.140
Why?
Treatment Outcome
2
2019
1170
0.130
Why?
Practice Patterns, Physicians'
1
2019
311
0.130
Why?
Cell Count
1
2016
11
0.130
Why?
Cardiovascular Diseases
1
2022
533
0.130
Why?
Heart Failure
1
2022
404
0.130
Why?
Infant, Small for Gestational Age
1
2016
54
0.130
Why?
Perioperative Period
1
2016
5
0.130
Why?
Anti-Asthmatic Agents
1
2016
86
0.130
Why?
Adrenergic beta-2 Receptor Agonists
1
2015
6
0.120
Why?
Biomarkers
1
2016
306
0.120
Why?
Immunization Schedule
3
2021
124
0.120
Why?
Pregnancy Outcome
1
2016
158
0.120
Why?
Demyelinating Autoimmune Diseases, CNS
1
2014
7
0.120
Why?
Premature Birth
1
2016
132
0.120
Why?
Pregnancy Complications, Infectious
1
2016
151
0.110
Why?
Algorithms
3
2022
226
0.110
Why?
Diabetes Mellitus, Type 2
1
2021
666
0.110
Why?
Obesity
1
2020
814
0.110
Why?
Computer Simulation
1
2014
81
0.110
Why?
Models, Theoretical
1
2014
66
0.110
Why?
Risk Factors
5
2020
3255
0.110
Why?
Biometry
1
2014
14
0.110
Why?
Safety
1
2014
43
0.110
Why?
Health Care Costs
1
2015
211
0.110
Why?
Follow-Up Studies
1
2016
1155
0.100
Why?
Time Factors
4
2019
1044
0.100
Why?
Papillomavirus Vaccines
1
2014
114
0.100
Why?
Multiple Sclerosis
1
2014
102
0.100
Why?
HIV Infections
1
2019
712
0.100
Why?
Pneumococcal Vaccines
1
2013
68
0.100
Why?
Adverse Drug Reaction Reporting Systems
1
2012
93
0.100
Why?
Drug-Related Side Effects and Adverse Reactions
1
2012
109
0.090
Why?
Age Factors
3
2020
884
0.090
Why?
Vaccines, Combined
2
2022
80
0.080
Why?
Fever
2
2022
54
0.080
Why?
Observational Studies as Topic
2
2020
47
0.070
Why?
Sex Factors
2
2020
607
0.070
Why?
Immunization Programs
2
2020
65
0.070
Why?
Comorbidity
2
2020
564
0.070
Why?
Vaccines, Inactivated
2
2019
72
0.060
Why?
Prevalence
2
2021
839
0.060
Why?
Maternal Age
2
2016
74
0.060
Why?
Managed Care Programs
2
2017
309
0.060
Why?
Product Surveillance, Postmarketing
2
2016
96
0.060
Why?
Electronic Health Records
2
2019
707
0.050
Why?
Travel-Related Illness
1
2022
3
0.050
Why?
RNA, Messenger
1
2023
72
0.050
Why?
Respiration, Artificial
1
2022
36
0.050
Why?
Acute Disease
1
2022
144
0.050
Why?
Measles-Mumps-Rubella Vaccine
1
2022
62
0.050
Why?
Aftercare
1
2022
48
0.050
Why?
Chickenpox Vaccine
1
2022
91
0.050
Why?
Adjuvants, Immunologic
1
2021
16
0.040
Why?
Sodium Chloride Symporter Inhibitors
1
2020
9
0.040
Why?
Vaccines, Synthetic
1
2021
36
0.040
Why?
Drug Therapy, Combination
1
2020
107
0.040
Why?
Hyperlipidemias
1
2020
44
0.040
Why?
Angiotensin-Converting Enzyme Inhibitors
1
2020
84
0.040
Why?
Patient Discharge
1
2022
154
0.040
Why?
Neuralgia, Postherpetic
1
2019
12
0.040
Why?
Cerebrovascular Disorders
1
2019
31
0.040
Why?
Blood Pressure
1
2020
275
0.040
Why?
Drug Utilization
1
2019
122
0.040
Why?
Herpesvirus 3, Human
1
2019
44
0.040
Why?
Critical Illness
1
2019
51
0.040
Why?
Anti-Bacterial Agents
1
2020
144
0.040
Why?
Viral Load
1
2019
135
0.040
Why?
Ambulatory Care
1
2020
228
0.040
Why?
Guideline Adherence
1
2019
152
0.040
Why?
Severity of Illness Index
1
2019
439
0.040
Why?
Practice Guidelines as Topic
1
2019
311
0.030
Why?
Pregnancy Trimesters
1
2016
29
0.030
Why?
Outpatient Clinics, Hospital
1
2016
13
0.030
Why?
Influenza A Virus, H1N1 Subtype
1
2016
56
0.030
Why?
Diabetes Mellitus
1
2020
455
0.030
Why?
Infection
1
2016
17
0.030
Why?
Bias
1
2016
100
0.030
Why?
Body Mass Index
1
2020
937
0.030
Why?
Propensity Score
1
2016
82
0.030
Why?
Seasons
1
2016
113
0.030
Why?
International Classification of Diseases
1
2015
86
0.030
Why?
Epilepsy
1
2014
13
0.030
Why?
Likelihood Functions
1
2014
45
0.030
Why?
Poisson Distribution
1
2014
85
0.030
Why?
Patient Readmission
1
2016
165
0.030
Why?
Regression Analysis
1
2014
280
0.030
Why?
Gestational Age
1
2014
112
0.030
Why?
Heptavalent Pneumococcal Conjugate Vaccine
1
2013
15
0.030
Why?
Mucocutaneous Lymph Node Syndrome
1
2013
18
0.030
Why?
Vaccines, Acellular
1
2012
11
0.030
Why?
Vaccines, Conjugate
1
2013
59
0.030
Why?
Quality Control
1
2012
42
0.030
Why?
Off-Label Use
1
2012
14
0.030
Why?
Multivariate Analysis
1
2014
538
0.020
Why?
Odds Ratio
1
2014
644
0.020
Why?
Proportional Hazards Models
1
2014
702
0.020
Why?
Risk Assessment
1
2016
1079
0.020
Why?
Ethnic Groups
1
2014
456
0.020
Why?
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