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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
1.810
Why?
Vaccination
18
2026
725
1.180
Why?
Whooping Cough
4
2022
71
0.970
Why?
Diphtheria-Tetanus-acellular Pertussis Vaccines
3
2022
98
0.890
Why?
Diphtheria
2
2022
13
0.820
Why?
Tetanus
2
2022
23
0.810
Why?
Humans
46
2026
16832
0.770
Why?
Cataplexy
1
2022
6
0.720
Why?
Narcolepsy
1
2022
8
0.720
Why?
Bell Palsy
1
2022
14
0.720
Why?
Thrombocytopenia
1
2022
17
0.710
Why?
Retrospective Studies
17
2022
2463
0.670
Why?
Myocardial Infarction
4
2022
215
0.580
Why?
Cohort Studies
10
2022
2396
0.520
Why?
Asthma
3
2020
375
0.510
Why?
Blood Cells
1
2016
3
0.490
Why?
Adult
20
2023
7255
0.490
Why?
Female
27
2026
12193
0.490
Why?
Eosinophils
1
2016
10
0.490
Why?
Infant
10
2022
1212
0.480
Why?
Male
24
2026
9556
0.450
Why?
Herpes Zoster Vaccine
3
2021
60
0.410
Why?
Seizures, Febrile
4
2022
42
0.400
Why?
Aged
18
2026
5901
0.390
Why?
Hospitalization
7
2022
816
0.380
Why?
Pandemics
4
2022
289
0.370
Why?
United States
14
2026
3858
0.360
Why?
Delivery of Health Care, Integrated
4
2021
515
0.340
Why?
Middle Aged
17
2021
7515
0.340
Why?
Adolescent
12
2023
3464
0.330
Why?
Influenza, Human
3
2022
292
0.320
Why?
Natural Language Processing
3
2022
60
0.320
Why?
Stroke
3
2022
297
0.310
Why?
Patient Acceptance of Health Care
3
2022
353
0.310
Why?
Outpatients
2
2021
99
0.310
Why?
Herpes Zoster
2
2021
80
0.280
Why?
Hepatitis B Vaccines
2
2020
44
0.260
Why?
Incidence
5
2022
1229
0.260
Why?
Case-Control Studies
4
2023
995
0.250
Why?
Databases, Factual
3
2019
294
0.250
Why?
Infant, Newborn
4
2022
828
0.240
Why?
Young Adult
11
2021
2456
0.240
Why?
Influenza Vaccines
4
2019
300
0.240
Why?
Aged, 80 and over
9
2026
1887
0.230
Why?
Measles Vaccine
2
2022
17
0.210
Why?
California
9
2022
2244
0.210
Why?
Prospective Studies
4
2023
1186
0.200
Why?
Models, Statistical
2
2014
164
0.190
Why?
Typhoid-Paratyphoid Vaccines
1
2022
3
0.190
Why?
Travel
1
2022
10
0.190
Why?
Corynebacterium
1
2022
3
0.180
Why?
Shoulder Injuries
1
2022
2
0.180
Why?
Latent Tuberculosis
1
2022
13
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
15
0.180
Why?
Child, Preschool
8
2021
1430
0.180
Why?
Measles
1
2022
25
0.170
Why?
Child
8
2022
2433
0.170
Why?
Politics
1
2020
9
0.160
Why?
Treatment Adherence and Compliance
1
2020
12
0.160
Why?
Inpatients
1
2021
78
0.160
Why?
Diabetes Complications
1
2021
93
0.160
Why?
Urinary Tract Infections
1
2020
16
0.160
Why?
Hepatitis B
1
2020
43
0.160
Why?
Betacoronavirus
1
2020
36
0.160
Why?
Vaccination Coverage
1
2021
68
0.150
Why?
Emergency Service, Hospital
2
2021
393
0.150
Why?
Delivery of Health Care
2
2020
374
0.150
Why?
Ischemia
1
2019
4
0.150
Why?
Coronavirus Infections
1
2020
49
0.150
Why?
Peripheral Arterial Disease
1
2019
13
0.150
Why?
Pneumonia, Viral
1
2020
56
0.150
Why?
Autism Spectrum Disorder
1
2022
165
0.150
Why?
Recurrence
2
2016
149
0.150
Why?
Stress, Psychological
1
2020
136
0.150
Why?
Risk
3
2020
453
0.150
Why?
Antihypertensive Agents
1
2020
157
0.150
Why?
Pregnancy
2
2022
1555
0.150
Why?
Hypertension
2
2020
475
0.140
Why?
Pain
1
2019
65
0.140
Why?
Dyslipidemias
1
2019
57
0.140
Why?
Disease Progression
2
2016
252
0.140
Why?
Telemedicine
1
2021
190
0.130
Why?
Hydroxymethylglutaryl-CoA Reductase Inhibitors
1
2019
155
0.130
Why?
Healthcare Disparities
1
2020
213
0.130
Why?
Medicare Part D
1
2017
17
0.130
Why?
Cost Sharing
1
2017
28
0.130
Why?
Treatment Outcome
2
2019
1098
0.130
Why?
Practice Patterns, Physicians'
1
2019
290
0.130
Why?
Cardiovascular Diseases
1
2022
520
0.130
Why?
Cell Count
1
2016
9
0.120
Why?
Heart Failure
1
2022
403
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
85
0.120
Why?
Adrenergic beta-2 Receptor Agonists
1
2015
6
0.120
Why?
Biomarkers
1
2016
284
0.110
Why?
Immunization Schedule
3
2021
127
0.110
Why?
Pregnancy Outcome
1
2016
160
0.110
Why?
Premature Birth
1
2016
133
0.110
Why?
Demyelinating Autoimmune Diseases, CNS
1
2014
7
0.110
Why?
Obesity
1
2020
811
0.100
Why?
Risk Factors
5
2020
3108
0.100
Why?
Pregnancy Complications, Infectious
1
2016
158
0.100
Why?
Diabetes Mellitus, Type 2
1
2021
677
0.100
Why?
Algorithms
3
2022
210
0.100
Why?
Models, Theoretical
1
2014
66
0.100
Why?
Computer Simulation
1
2014
84
0.100
Why?
Biometry
1
2014
13
0.100
Why?
Health Care Costs
1
2015
192
0.100
Why?
Safety
1
2014
43
0.100
Why?
Follow-Up Studies
1
2016
1058
0.100
Why?
Time Factors
4
2019
989
0.100
Why?
Papillomavirus Vaccines
1
2014
113
0.100
Why?
Multiple Sclerosis
1
2014
98
0.090
Why?
HIV Infections
1
2019
708
0.090
Why?
Pneumococcal Vaccines
1
2013
67
0.090
Why?
Adverse Drug Reaction Reporting Systems
1
2012
97
0.090
Why?
Drug-Related Side Effects and Adverse Reactions
1
2012
104
0.090
Why?
Age Factors
3
2020
814
0.090
Why?
Vaccines, Combined
2
2022
80
0.080
Why?
Fever
2
2022
52
0.070
Why?
Observational Studies as Topic
2
2020
44
0.070
Why?
Sex Factors
2
2020
560
0.070
Why?
Immunization Programs
2
2020
65
0.060
Why?
Comorbidity
2
2020
516
0.060
Why?
Vaccines, Inactivated
2
2019
73
0.060
Why?
Prevalence
2
2021
785
0.060
Why?
Maternal Age
2
2016
73
0.060
Why?
Managed Care Programs
2
2017
275
0.050
Why?
Medicare
1
2026
188
0.050
Why?
Product Surveillance, Postmarketing
2
2016
99
0.050
Why?
Electronic Health Records
2
2019
702
0.050
Why?
Travel-Related Illness
1
2022
3
0.050
Why?
RNA, Messenger
1
2023
66
0.050
Why?
Respiration, Artificial
1
2022
37
0.050
Why?
Acute Disease
1
2022
144
0.040
Why?
Measles-Mumps-Rubella Vaccine
1
2022
64
0.040
Why?
Aftercare
1
2022
46
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
39
0.040
Why?
Drug Therapy, Combination
1
2020
104
0.040
Why?
Hyperlipidemias
1
2020
43
0.040
Why?
Angiotensin-Converting Enzyme Inhibitors
1
2020
80
0.040
Why?
Patient Discharge
1
2022
152
0.040
Why?
Neuralgia, Postherpetic
1
2019
11
0.040
Why?
Cerebrovascular Disorders
1
2019
29
0.040
Why?
Drug Utilization
1
2019
112
0.040
Why?
Herpesvirus 3, Human
1
2019
40
0.040
Why?
Critical Illness
1
2019
53
0.040
Why?
Blood Pressure
1
2020
278
0.040
Why?
Ambulatory Care
1
2020
205
0.040
Why?
Anti-Bacterial Agents
1
2020
145
0.040
Why?
Viral Load
1
2019
141
0.030
Why?
Guideline Adherence
1
2019
155
0.030
Why?
Severity of Illness Index
1
2019
410
0.030
Why?
Practice Guidelines as Topic
1
2019
311
0.030
Why?
Pregnancy Trimesters
1
2016
27
0.030
Why?
Outpatient Clinics, Hospital
1
2016
12
0.030
Why?
Influenza A Virus, H1N1 Subtype
1
2016
56
0.030
Why?
Diabetes Mellitus
1
2020
445
0.030
Why?
Bias
1
2016
90
0.030
Why?
Infection
1
2016
17
0.030
Why?
Body Mass Index
1
2020
925
0.030
Why?
Propensity Score
1
2016
78
0.030
Why?
Seasons
1
2016
114
0.030
Why?
International Classification of Diseases
1
2015
84
0.030
Why?
Epilepsy
1
2014
14
0.030
Why?
Likelihood Functions
1
2014
45
0.030
Why?
Poisson Distribution
1
2014
84
0.030
Why?
Patient Readmission
1
2016
161
0.030
Why?
Regression Analysis
1
2014
261
0.030
Why?
Gestational Age
1
2014
118
0.020
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
59
0.020
Why?
Vaccines, Acellular
1
2012
11
0.020
Why?
Quality Control
1
2012
37
0.020
Why?
Off-Label Use
1
2012
13
0.020
Why?
Odds Ratio
1
2014
569
0.020
Why?
Multivariate Analysis
1
2014
489
0.020
Why?
Proportional Hazards Models
1
2014
657
0.020
Why?
Risk Assessment
1
2016
1047
0.020
Why?
Ethnic Groups
1
2014
418
0.020
Why?
Concepts (188)
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