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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
222
2.090
Why?
Vaccination
17
2023
664
1.370
Why?
Whooping Cough
4
2022
75
1.120
Why?
Diphtheria-Tetanus-acellular Pertussis Vaccines
3
2022
95
1.040
Why?
Diphtheria
2
2022
14
0.950
Why?
Tetanus
2
2022
18
0.950
Why?
Cataplexy
1
2022
5
0.840
Why?
Narcolepsy
1
2022
6
0.840
Why?
Bell Palsy
1
2022
17
0.840
Why?
Thrombocytopenia
1
2022
15
0.840
Why?
Humans
45
2023
18058
0.830
Why?
Retrospective Studies
17
2022
2498
0.770
Why?
Myocardial Infarction
4
2022
251
0.670
Why?
Asthma
3
2020
302
0.610
Why?
Blood Cells
1
2016
4
0.580
Why?
Cohort Studies
10
2022
2631
0.570
Why?
Eosinophils
1
2016
9
0.570
Why?
Infant
10
2022
1212
0.550
Why?
Adult
20
2023
7696
0.550
Why?
Female
26
2022
12838
0.530
Why?
Male
23
2022
10173
0.480
Why?
Herpes Zoster Vaccine
3
2021
62
0.480
Why?
Seizures, Febrile
4
2022
47
0.460
Why?
Hospitalization
7
2022
813
0.440
Why?
Pandemics
4
2022
293
0.420
Why?
Aged
17
2021
6258
0.410
Why?
Delivery of Health Care, Integrated
4
2021
552
0.390
Why?
Natural Language Processing
3
2022
53
0.380
Why?
Influenza, Human
3
2022
277
0.380
Why?
Middle Aged
17
2021
8073
0.380
Why?
United States
13
2022
4119
0.370
Why?
Adolescent
12
2023
3714
0.370
Why?
Stroke
3
2022
306
0.360
Why?
Outpatients
2
2021
113
0.360
Why?
Patient Acceptance of Health Care
3
2022
397
0.350
Why?
Herpes Zoster
2
2021
86
0.330
Why?
Hepatitis B Vaccines
2
2020
46
0.310
Why?
Incidence
5
2022
1297
0.300
Why?
Databases, Factual
3
2019
330
0.290
Why?
Infant, Newborn
4
2022
852
0.280
Why?
Case-Control Studies
4
2023
1164
0.280
Why?
Influenza Vaccines
4
2019
284
0.280
Why?
Young Adult
11
2021
2479
0.270
Why?
Measles Vaccine
2
2022
21
0.250
Why?
California
9
2022
2327
0.240
Why?
Prospective Studies
4
2023
1294
0.220
Why?
Typhoid-Paratyphoid Vaccines
1
2022
3
0.220
Why?
Models, Statistical
2
2014
184
0.220
Why?
Travel
1
2022
9
0.220
Why?
Corynebacterium
1
2022
3
0.210
Why?
Shoulder Injuries
1
2022
2
0.210
Why?
Latent Tuberculosis
1
2022
10
0.210
Why?
Tuberculosis
1
2022
17
0.210
Why?
Placenta
1
2022
19
0.210
Why?
Aged, 80 and over
8
2020
1956
0.210
Why?
Orthopedic Procedures
1
2022
6
0.210
Why?
Anaphylaxis
2
2019
15
0.210
Why?
Child, Preschool
8
2021
1428
0.200
Why?
Measles
1
2022
26
0.200
Why?
Child
8
2022
2519
0.190
Why?
Politics
1
2020
12
0.190
Why?
Treatment Adherence and Compliance
1
2020
13
0.190
Why?
Vaccination Coverage
1
2021
44
0.190
Why?
Inpatients
1
2021
79
0.190
Why?
Urinary Tract Infections
1
2020
20
0.180
Why?
Emergency Service, Hospital
2
2021
357
0.180
Why?
Hepatitis B
1
2020
43
0.180
Why?
Diabetes Complications
1
2021
120
0.180
Why?
Betacoronavirus
1
2020
36
0.180
Why?
Ischemia
1
2019
4
0.180
Why?
Peripheral Arterial Disease
1
2019
13
0.170
Why?
Coronavirus Infections
1
2020
50
0.170
Why?
Pneumonia, Viral
1
2020
57
0.170
Why?
Autism Spectrum Disorder
1
2022
155
0.170
Why?
Stress, Psychological
1
2020
145
0.170
Why?
Recurrence
2
2016
186
0.170
Why?
Antihypertensive Agents
1
2020
170
0.170
Why?
Hypertension
2
2020
489
0.170
Why?
Pregnancy
2
2022
1484
0.170
Why?
Delivery of Health Care
2
2020
445
0.170
Why?
Dyslipidemias
1
2019
63
0.170
Why?
Risk
3
2020
552
0.160
Why?
Pain
1
2019
84
0.160
Why?
Disease Progression
2
2016
255
0.160
Why?
Healthcare Disparities
1
2020
205
0.150
Why?
Telemedicine
1
2021
187
0.150
Why?
Medicare Part D
1
2017
22
0.150
Why?
Cost Sharing
1
2017
40
0.150
Why?
Hydroxymethylglutaryl-CoA Reductase Inhibitors
1
2019
177
0.150
Why?
Cell Count
1
2016
10
0.140
Why?
Treatment Outcome
2
2019
1259
0.140
Why?
Heart Failure
1
2022
391
0.140
Why?
Practice Patterns, Physicians'
1
2019
351
0.140
Why?
Perioperative Period
1
2016
5
0.140
Why?
Anti-Asthmatic Agents
1
2016
67
0.140
Why?
Infant, Small for Gestational Age
1
2016
56
0.140
Why?
Cardiovascular Diseases
1
2022
613
0.140
Why?
Adrenergic beta-2 Receptor Agonists
1
2015
6
0.130
Why?
Biomarkers
1
2016
306
0.130
Why?
Immunization Schedule
3
2021
132
0.130
Why?
Pregnancy Outcome
1
2016
158
0.130
Why?
Demyelinating Autoimmune Diseases, CNS
1
2014
7
0.130
Why?
Premature Birth
1
2016
135
0.120
Why?
Pregnancy Complications, Infectious
1
2016
139
0.120
Why?
Algorithms
3
2022
235
0.120
Why?
Computer Simulation
1
2014
84
0.120
Why?
Models, Theoretical
1
2014
73
0.120
Why?
Biometry
1
2014
13
0.120
Why?
Safety
1
2014
45
0.120
Why?
Obesity
1
2020
839
0.120
Why?
Risk Factors
5
2020
3394
0.120
Why?
Diabetes Mellitus, Type 2
1
2021
742
0.110
Why?
Health Care Costs
1
2015
253
0.110
Why?
Follow-Up Studies
1
2016
1255
0.110
Why?
Papillomavirus Vaccines
1
2014
119
0.110
Why?
Time Factors
4
2019
1114
0.110
Why?
Multiple Sclerosis
1
2014
97
0.110
Why?
HIV Infections
1
2019
682
0.110
Why?
Pneumococcal Vaccines
1
2013
80
0.110
Why?
Adverse Drug Reaction Reporting Systems
1
2012
105
0.110
Why?
Drug-Related Side Effects and Adverse Reactions
1
2012
118
0.100
Why?
Age Factors
3
2020
945
0.100
Why?
Vaccines, Combined
2
2022
90
0.090
Why?
Fever
2
2022
60
0.080
Why?
Observational Studies as Topic
2
2020
49
0.080
Why?
Sex Factors
2
2020
634
0.080
Why?
Immunization Programs
2
2020
68
0.070
Why?
Vaccines, Inactivated
2
2019
70
0.070
Why?
Comorbidity
2
2020
618
0.070
Why?
Prevalence
2
2021
892
0.070
Why?
Maternal Age
2
2016
79
0.060
Why?
Managed Care Programs
2
2017
356
0.060
Why?
Product Surveillance, Postmarketing
2
2016
113
0.060
Why?
Electronic Health Records
2
2019
734
0.060
Why?
Travel-Related Illness
1
2022
3
0.050
Why?
RNA, Messenger
1
2023
79
0.050
Why?
Respiration, Artificial
1
2022
36
0.050
Why?
Acute Disease
1
2022
138
0.050
Why?
Measles-Mumps-Rubella Vaccine
1
2022
67
0.050
Why?
Aftercare
1
2022
49
0.050
Why?
Chickenpox Vaccine
1
2022
101
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
42
0.050
Why?
Drug Therapy, Combination
1
2020
118
0.050
Why?
Hyperlipidemias
1
2020
57
0.050
Why?
Patient Discharge
1
2022
150
0.040
Why?
Angiotensin-Converting Enzyme Inhibitors
1
2020
94
0.040
Why?
Neuralgia, Postherpetic
1
2019
14
0.040
Why?
Cerebrovascular Disorders
1
2019
35
0.040
Why?
Blood Pressure
1
2020
280
0.040
Why?
Drug Utilization
1
2019
134
0.040
Why?
Herpesvirus 3, Human
1
2019
47
0.040
Why?
Critical Illness
1
2019
53
0.040
Why?
Viral Load
1
2019
132
0.040
Why?
Anti-Bacterial Agents
1
2020
138
0.040
Why?
Guideline Adherence
1
2019
160
0.040
Why?
Ambulatory Care
1
2020
274
0.040
Why?
Severity of Illness Index
1
2019
454
0.040
Why?
Practice Guidelines as Topic
1
2019
324
0.040
Why?
Pregnancy Trimesters
1
2016
29
0.030
Why?
Outpatient Clinics, Hospital
1
2016
15
0.030
Why?
Influenza A Virus, H1N1 Subtype
1
2016
56
0.030
Why?
Infection
1
2016
17
0.030
Why?
Bias
1
2016
109
0.030
Why?
Seasons
1
2016
99
0.030
Why?
Body Mass Index
1
2020
961
0.030
Why?
Propensity Score
1
2016
90
0.030
Why?
Diabetes Mellitus
1
2020
526
0.030
Why?
International Classification of Diseases
1
2015
87
0.030
Why?
Epilepsy
1
2014
13
0.030
Why?
Likelihood Functions
1
2014
49
0.030
Why?
Poisson Distribution
1
2014
92
0.030
Why?
Patient Readmission
1
2016
161
0.030
Why?
Regression Analysis
1
2014
319
0.030
Why?
Gestational Age
1
2014
119
0.030
Why?
Heptavalent Pneumococcal Conjugate Vaccine
1
2013
22
0.030
Why?
Mucocutaneous Lymph Node Syndrome
1
2013
19
0.030
Why?
Vaccines, Acellular
1
2012
12
0.030
Why?
Vaccines, Conjugate
1
2013
66
0.030
Why?
Quality Control
1
2012
45
0.030
Why?
Off-Label Use
1
2012
14
0.030
Why?
Odds Ratio
1
2014
692
0.030
Why?
Multivariate Analysis
1
2014
595
0.030
Why?
Proportional Hazards Models
1
2014
745
0.030
Why?
Risk Assessment
1
2016
1137
0.030
Why?
Ethnic Groups
1
2014
504
0.020
Why?
Concepts (187)
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