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Lei Qian

Concepts (188)

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
225
1.830
Why?
Vaccination
18
2026
726
1.200
Why?
Whooping Cough
4
2022
65
0.990
Why?
Diphtheria-Tetanus-acellular Pertussis Vaccines
3
2022
92
0.910
Why?
Diphtheria
2
2022
13
0.830
Why?
Tetanus
2
2022
17
0.830
Why?
Humans
46
2026
17622
0.770
Why?
Cataplexy
1
2022
6
0.730
Why?
Narcolepsy
1
2022
8
0.730
Why?
Bell Palsy
1
2022
14
0.730
Why?
Thrombocytopenia
1
2022
17
0.720
Why?
Retrospective Studies
17
2022
2502
0.680
Why?
Myocardial Infarction
4
2022
226
0.580
Why?
Cohort Studies
10
2022
2502
0.520
Why?
Asthma
3
2020
401
0.510
Why?
Blood Cells
1
2016
4
0.500
Why?
Eosinophils
1
2016
10
0.500
Why?
Female
27
2026
12715
0.490
Why?
Adult
20
2023
7621
0.490
Why?
Infant
10
2022
1228
0.480
Why?
Male
24
2026
10014
0.450
Why?
Herpes Zoster Vaccine
3
2021
62
0.420
Why?
Seizures, Febrile
4
2022
42
0.410
Why?
Aged
18
2026
6223
0.390
Why?
Hospitalization
7
2022
831
0.380
Why?
Pandemics
4
2022
295
0.370
Why?
United States
14
2026
3922
0.360
Why?
Delivery of Health Care, Integrated
4
2021
540
0.340
Why?
Middle Aged
17
2021
7954
0.340
Why?
Influenza, Human
3
2022
294
0.330
Why?
Adolescent
12
2023
3625
0.330
Why?
Natural Language Processing
3
2022
60
0.330
Why?
Stroke
3
2022
309
0.320
Why?
Outpatients
2
2021
103
0.310
Why?
Patient Acceptance of Health Care
3
2022
380
0.310
Why?
Herpes Zoster
2
2021
82
0.290
Why?
Hepatitis B Vaccines
2
2020
44
0.270
Why?
Incidence
5
2022
1278
0.260
Why?
Databases, Factual
3
2019
304
0.250
Why?
Case-Control Studies
4
2023
1107
0.250
Why?
Infant, Newborn
4
2022
842
0.240
Why?
Young Adult
11
2021
2538
0.240
Why?
Influenza Vaccines
4
2019
301
0.240
Why?
Aged, 80 and over
9
2026
1976
0.230
Why?
Measles Vaccine
2
2022
17
0.220
Why?
California
9
2022
2433
0.210
Why?
Prospective Studies
4
2023
1251
0.200
Why?
Models, Statistical
2
2014
171
0.190
Why?
Typhoid-Paratyphoid Vaccines
1
2022
3
0.190
Why?
Travel
1
2022
10
0.190
Why?
Corynebacterium
1
2022
3
0.190
Why?
Shoulder Injuries
1
2022
2
0.190
Why?
Latent Tuberculosis
1
2022
14
0.180
Why?
Placenta
1
2022
20
0.180
Why?
Tuberculosis
1
2022
23
0.180
Why?
Orthopedic Procedures
1
2022
6
0.180
Why?
Anaphylaxis
2
2019
16
0.180
Why?
Child, Preschool
8
2021
1455
0.180
Why?
Measles
1
2022
24
0.180
Why?
Child
8
2022
2485
0.170
Why?
Politics
1
2020
10
0.160
Why?
Treatment Adherence and Compliance
1
2020
12
0.160
Why?
Inpatients
1
2021
78
0.160
Why?
Diabetes Complications
1
2021
103
0.160
Why?
Urinary Tract Infections
1
2020
18
0.160
Why?
Hepatitis B
1
2020
41
0.160
Why?
Betacoronavirus
1
2020
36
0.160
Why?
Vaccination Coverage
1
2021
63
0.160
Why?
Emergency Service, Hospital
2
2021
402
0.150
Why?
Ischemia
1
2019
4
0.150
Why?
Delivery of Health Care
2
2020
383
0.150
Why?
Peripheral Arterial Disease
1
2019
14
0.150
Why?
Coronavirus Infections
1
2020
49
0.150
Why?
Pneumonia, Viral
1
2020
56
0.150
Why?
Autism Spectrum Disorder
1
2022
164
0.150
Why?
Stress, Psychological
1
2020
141
0.150
Why?
Recurrence
2
2016
166
0.150
Why?
Pregnancy
2
2022
1565
0.150
Why?
Hypertension
2
2020
486
0.150
Why?
Antihypertensive Agents
1
2020
163
0.150
Why?
Risk
3
2020
492
0.150
Why?
Dyslipidemias
1
2019
54
0.150
Why?
Pain
1
2019
75
0.140
Why?
Disease Progression
2
2016
266
0.140
Why?
Telemedicine
1
2021
196
0.130
Why?
Healthcare Disparities
1
2020
208
0.130
Why?
Medicare Part D
1
2017
15
0.130
Why?
Hydroxymethylglutaryl-CoA Reductase Inhibitors
1
2019
168
0.130
Why?
Cost Sharing
1
2017
28
0.130
Why?
Treatment Outcome
2
2019
1161
0.130
Why?
Practice Patterns, Physicians'
1
2019
308
0.130
Why?
Cell Count
1
2016
11
0.130
Why?
Cardiovascular Diseases
1
2022
545
0.120
Why?
Heart Failure
1
2022
414
0.120
Why?
Infant, Small for Gestational Age
1
2016
55
0.120
Why?
Perioperative Period
1
2016
5
0.120
Why?
Anti-Asthmatic Agents
1
2016
88
0.120
Why?
Adrenergic beta-2 Receptor Agonists
1
2015
6
0.120
Why?
Biomarkers
1
2016
302
0.110
Why?
Immunization Schedule
3
2021
127
0.110
Why?
Pregnancy Outcome
1
2016
162
0.110
Why?
Demyelinating Autoimmune Diseases, CNS
1
2014
7
0.110
Why?
Premature Birth
1
2016
136
0.110
Why?
Obesity
1
2020
821
0.100
Why?
Pregnancy Complications, Infectious
1
2016
157
0.100
Why?
Diabetes Mellitus, Type 2
1
2021
689
0.100
Why?
Algorithms
3
2022
227
0.100
Why?
Models, Theoretical
1
2014
67
0.100
Why?
Computer Simulation
1
2014
85
0.100
Why?
Risk Factors
5
2020
3291
0.100
Why?
Biometry
1
2014
13
0.100
Why?
Safety
1
2014
43
0.100
Why?
Health Care Costs
1
2015
211
0.100
Why?
Follow-Up Studies
1
2016
1157
0.100
Why?
HIV Infections
1
2019
584
0.100
Why?
Time Factors
4
2019
1038
0.100
Why?
Papillomavirus Vaccines
1
2014
114
0.100
Why?
Multiple Sclerosis
1
2014
102
0.090
Why?
Pneumococcal Vaccines
1
2013
68
0.090
Why?
Adverse Drug Reaction Reporting Systems
1
2012
96
0.090
Why?
Drug-Related Side Effects and Adverse Reactions
1
2012
109
0.090
Why?
Age Factors
3
2020
874
0.090
Why?
Vaccines, Combined
2
2022
81
0.080
Why?
Fever
2
2022
52
0.070
Why?
Observational Studies as Topic
2
2020
46
0.070
Why?
Sex Factors
2
2020
599
0.070
Why?
Immunization Programs
2
2020
64
0.060
Why?
Comorbidity
2
2020
552
0.060
Why?
Vaccines, Inactivated
2
2019
73
0.060
Why?
Prevalence
2
2021
830
0.060
Why?
Maternal Age
2
2016
74
0.060
Why?
Medicare
1
2026
197
0.050
Why?
Managed Care Programs
2
2017
300
0.050
Why?
Product Surveillance, Postmarketing
2
2016
98
0.050
Why?
Electronic Health Records
2
2019
719
0.050
Why?
Travel-Related Illness
1
2022
3
0.050
Why?
RNA, Messenger
1
2023
72
0.050
Why?
Respiration, Artificial
1
2022
38
0.050
Why?
Acute Disease
1
2022
147
0.040
Why?
Measles-Mumps-Rubella Vaccine
1
2022
64
0.040
Why?
Aftercare
1
2022
47
0.040
Why?
Chickenpox Vaccine
1
2022
91
0.040
Why?
Sodium Chloride Symporter Inhibitors
1
2020
9
0.040
Why?
Adjuvants, Immunologic
1
2021
19
0.040
Why?
Vaccines, Synthetic
1
2021
40
0.040
Why?
Drug Therapy, Combination
1
2020
104
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?
Drug Utilization
1
2019
119
0.040
Why?
Cerebrovascular Disorders
1
2019
32
0.040
Why?
Herpesvirus 3, Human
1
2019
42
0.040
Why?
Critical Illness
1
2019
53
0.040
Why?
Blood Pressure
1
2020
288
0.040
Why?
Viral Load
1
2019
110
0.040
Why?
Anti-Bacterial Agents
1
2020
152
0.040
Why?
Ambulatory Care
1
2020
228
0.040
Why?
Guideline Adherence
1
2019
155
0.030
Why?
Severity of Illness Index
1
2019
446
0.030
Why?
Practice Guidelines as Topic
1
2019
319
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
452
0.030
Why?
Bias
1
2016
95
0.030
Why?
Infection
1
2016
17
0.030
Why?
Propensity Score
1
2016
80
0.030
Why?
Body Mass Index
1
2020
959
0.030
Why?
Seasons
1
2016
116
0.030
Why?
International Classification of Diseases
1
2015
85
0.030
Why?
Epilepsy
1
2014
15
0.030
Why?
Likelihood Functions
1
2014
45
0.030
Why?
Poisson Distribution
1
2014
85
0.030
Why?
Patient Readmission
1
2016
163
0.030
Why?
Regression Analysis
1
2014
268
0.030
Why?
Gestational Age
1
2014
119
0.030
Why?
Heptavalent Pneumococcal Conjugate Vaccine
1
2013
15
0.020
Why?
Mucocutaneous Lymph Node Syndrome
1
2013
18
0.020
Why?
Vaccines, Conjugate
1
2013
58
0.020
Why?
Vaccines, Acellular
1
2012
11
0.020
Why?
Quality Control
1
2012
40
0.020
Why?
Off-Label Use
1
2012
13
0.020
Why?
Odds Ratio
1
2014
631
0.020
Why?
Multivariate Analysis
1
2014
527
0.020
Why?
Proportional Hazards Models
1
2014
702
0.020
Why?
Risk Assessment
1
2016
1093
0.020
Why?
Ethnic Groups
1
2014
443
0.020
Why?
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