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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
212
2.040
Why?
Vaccination
17
2023
635
1.340
Why?
Whooping Cough
4
2022
66
1.090
Why?
Diphtheria-Tetanus-acellular Pertussis Vaccines
3
2022
86
1.010
Why?
Diphtheria
2
2022
13
0.920
Why?
Tetanus
2
2022
17
0.920
Why?
Humans
45
2023
17611
0.820
Why?
Cataplexy
1
2022
5
0.810
Why?
Narcolepsy
1
2022
6
0.810
Why?
Bell Palsy
1
2022
14
0.810
Why?
Thrombocytopenia
1
2022
15
0.810
Why?
Retrospective Studies
17
2022
2447
0.750
Why?
Myocardial Infarction
4
2022
238
0.650
Why?
Asthma
3
2020
385
0.570
Why?
Cohort Studies
10
2022
2570
0.560
Why?
Blood Cells
1
2016
4
0.560
Why?
Eosinophils
1
2016
9
0.550
Why?
Adult
20
2023
7598
0.540
Why?
Infant
10
2022
1171
0.540
Why?
Female
26
2022
12608
0.520
Why?
Male
23
2022
10008
0.470
Why?
Herpes Zoster Vaccine
3
2021
59
0.460
Why?
Seizures, Febrile
4
2022
42
0.450
Why?
Hospitalization
7
2022
797
0.420
Why?
Pandemics
4
2022
287
0.410
Why?
Aged
17
2021
6095
0.400
Why?
Delivery of Health Care, Integrated
4
2021
531
0.380
Why?
Middle Aged
17
2021
7911
0.370
Why?
Influenza, Human
3
2022
263
0.370
Why?
United States
13
2022
3956
0.360
Why?
Natural Language Processing
3
2022
57
0.360
Why?
Adolescent
12
2023
3651
0.360
Why?
Stroke
3
2022
311
0.350
Why?
Outpatients
2
2021
107
0.340
Why?
Patient Acceptance of Health Care
3
2022
382
0.340
Why?
Herpes Zoster
2
2021
82
0.320
Why?
Hepatitis B Vaccines
2
2020
43
0.300
Why?
Incidence
5
2022
1255
0.290
Why?
Databases, Factual
3
2019
309
0.280
Why?
Case-Control Studies
4
2023
1115
0.270
Why?
Infant, Newborn
4
2022
844
0.270
Why?
Influenza Vaccines
4
2019
267
0.270
Why?
Young Adult
11
2021
2427
0.260
Why?
Measles Vaccine
2
2022
17
0.240
Why?
California
9
2022
2284
0.240
Why?
Prospective Studies
4
2023
1267
0.220
Why?
Models, Statistical
2
2014
177
0.210
Why?
Typhoid-Paratyphoid Vaccines
1
2022
3
0.210
Why?
Travel
1
2022
10
0.210
Why?
Corynebacterium
1
2022
3
0.210
Why?
Latent Tuberculosis
1
2022
10
0.210
Why?
Shoulder Injuries
1
2022
2
0.210
Why?
Aged, 80 and over
8
2020
1900
0.210
Why?
Tuberculosis
1
2022
20
0.200
Why?
Placenta
1
2022
20
0.200
Why?
Orthopedic Procedures
1
2022
6
0.200
Why?
Anaphylaxis
2
2019
15
0.200
Why?
Child, Preschool
8
2021
1409
0.200
Why?
Measles
1
2022
24
0.190
Why?
Child
8
2022
2474
0.190
Why?
Treatment Adherence and Compliance
1
2020
13
0.180
Why?
Politics
1
2020
12
0.180
Why?
Vaccination Coverage
1
2021
41
0.180
Why?
Inpatients
1
2021
81
0.180
Why?
Urinary Tract Infections
1
2020
20
0.180
Why?
Hepatitis B
1
2020
42
0.180
Why?
Emergency Service, Hospital
2
2021
358
0.180
Why?
Diabetes Complications
1
2021
114
0.180
Why?
Betacoronavirus
1
2020
35
0.170
Why?
Ischemia
1
2019
4
0.170
Why?
Peripheral Arterial Disease
1
2019
13
0.170
Why?
Coronavirus Infections
1
2020
49
0.170
Why?
Pneumonia, Viral
1
2020
56
0.170
Why?
Delivery of Health Care
2
2020
415
0.160
Why?
Autism Spectrum Disorder
1
2022
163
0.160
Why?
Antihypertensive Agents
1
2020
161
0.160
Why?
Stress, Psychological
1
2020
141
0.160
Why?
Hypertension
2
2020
500
0.160
Why?
Recurrence
2
2016
186
0.160
Why?
Pregnancy
2
2022
1494
0.160
Why?
Risk
3
2020
516
0.160
Why?
Dyslipidemias
1
2019
62
0.160
Why?
Pain
1
2019
79
0.160
Why?
Disease Progression
2
2016
264
0.160
Why?
Telemedicine
1
2021
182
0.150
Why?
Healthcare Disparities
1
2020
201
0.150
Why?
Medicare Part D
1
2017
15
0.150
Why?
Hydroxymethylglutaryl-CoA Reductase Inhibitors
1
2019
171
0.140
Why?
Cost Sharing
1
2017
30
0.140
Why?
Cell Count
1
2016
10
0.140
Why?
Treatment Outcome
2
2019
1259
0.140
Why?
Practice Patterns, Physicians'
1
2019
330
0.140
Why?
Heart Failure
1
2022
396
0.140
Why?
Cardiovascular Diseases
1
2022
598
0.140
Why?
Perioperative Period
1
2016
5
0.130
Why?
Infant, Small for Gestational Age
1
2016
57
0.130
Why?
Anti-Asthmatic Agents
1
2016
85
0.130
Why?
Adrenergic beta-2 Receptor Agonists
1
2015
6
0.130
Why?
Biomarkers
1
2016
301
0.130
Why?
Immunization Schedule
3
2021
122
0.130
Why?
Pregnancy Outcome
1
2016
154
0.120
Why?
Demyelinating Autoimmune Diseases, CNS
1
2014
7
0.120
Why?
Pregnancy Complications, Infectious
1
2016
136
0.120
Why?
Premature Birth
1
2016
137
0.120
Why?
Algorithms
3
2022
233
0.120
Why?
Computer Simulation
1
2014
81
0.120
Why?
Models, Theoretical
1
2014
70
0.110
Why?
Biometry
1
2014
13
0.110
Why?
Obesity
1
2020
837
0.110
Why?
Risk Factors
5
2020
3325
0.110
Why?
Safety
1
2014
41
0.110
Why?
Health Care Costs
1
2015
228
0.110
Why?
Diabetes Mellitus, Type 2
1
2021
748
0.110
Why?
Follow-Up Studies
1
2016
1210
0.110
Why?
Papillomavirus Vaccines
1
2014
113
0.110
Why?
Time Factors
4
2019
1086
0.110
Why?
Multiple Sclerosis
1
2014
97
0.110
Why?
Pneumococcal Vaccines
1
2013
64
0.100
Why?
HIV Infections
1
2019
694
0.100
Why?
Adverse Drug Reaction Reporting Systems
1
2012
93
0.100
Why?
Drug-Related Side Effects and Adverse Reactions
1
2012
107
0.100
Why?
Age Factors
3
2020
917
0.090
Why?
Vaccines, Combined
2
2022
80
0.090
Why?
Fever
2
2022
55
0.080
Why?
Observational Studies as Topic
2
2020
47
0.080
Why?
Sex Factors
2
2020
643
0.080
Why?
Immunization Programs
2
2020
64
0.070
Why?
Vaccines, Inactivated
2
2019
67
0.070
Why?
Comorbidity
2
2020
594
0.070
Why?
Prevalence
2
2021
884
0.070
Why?
Maternal Age
2
2016
77
0.060
Why?
Managed Care Programs
2
2017
325
0.060
Why?
Product Surveillance, Postmarketing
2
2016
95
0.060
Why?
Electronic Health Records
2
2019
681
0.060
Why?
Travel-Related Illness
1
2022
3
0.050
Why?
RNA, Messenger
1
2023
72
0.050
Why?
Respiration, Artificial
1
2022
37
0.050
Why?
Acute Disease
1
2022
142
0.050
Why?
Measles-Mumps-Rubella Vaccine
1
2022
62
0.050
Why?
Aftercare
1
2022
49
0.050
Why?
Chickenpox Vaccine
1
2022
91
0.050
Why?
Adjuvants, Immunologic
1
2021
15
0.050
Why?
Sodium Chloride Symporter Inhibitors
1
2020
9
0.050
Why?
Vaccines, Synthetic
1
2021
34
0.050
Why?
Drug Therapy, Combination
1
2020
114
0.040
Why?
Hyperlipidemias
1
2020
53
0.040
Why?
Patient Discharge
1
2022
154
0.040
Why?
Angiotensin-Converting Enzyme Inhibitors
1
2020
86
0.040
Why?
Neuralgia, Postherpetic
1
2019
12
0.040
Why?
Cerebrovascular Disorders
1
2019
34
0.040
Why?
Drug Utilization
1
2019
127
0.040
Why?
Blood Pressure
1
2020
298
0.040
Why?
Herpesvirus 3, Human
1
2019
44
0.040
Why?
Critical Illness
1
2019
50
0.040
Why?
Viral Load
1
2019
135
0.040
Why?
Anti-Bacterial Agents
1
2020
140
0.040
Why?
Ambulatory Care
1
2020
244
0.040
Why?
Guideline Adherence
1
2019
155
0.040
Why?
Severity of Illness Index
1
2019
454
0.040
Why?
Practice Guidelines as Topic
1
2019
318
0.040
Why?
Pregnancy Trimesters
1
2016
30
0.030
Why?
Outpatient Clinics, Hospital
1
2016
14
0.030
Why?
Influenza A Virus, H1N1 Subtype
1
2016
52
0.030
Why?
Infection
1
2016
17
0.030
Why?
Bias
1
2016
102
0.030
Why?
Propensity Score
1
2016
85
0.030
Why?
Body Mass Index
1
2020
958
0.030
Why?
Seasons
1
2016
102
0.030
Why?
Diabetes Mellitus
1
2020
487
0.030
Why?
International Classification of Diseases
1
2015
85
0.030
Why?
Epilepsy
1
2014
13
0.030
Why?
Likelihood Functions
1
2014
44
0.030
Why?
Poisson Distribution
1
2014
88
0.030
Why?
Patient Readmission
1
2016
163
0.030
Why?
Regression Analysis
1
2014
297
0.030
Why?
Gestational Age
1
2014
111
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
45
0.030
Why?
Off-Label Use
1
2012
14
0.030
Why?
Proportional Hazards Models
1
2014
709
0.030
Why?
Odds Ratio
1
2014
671
0.030
Why?
Multivariate Analysis
1
2014
568
0.030
Why?
Risk Assessment
1
2016
1097
0.020
Why?
Ethnic Groups
1
2014
485
0.020
Why?
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