Agriculture & Biology
cohort studies
21%
comorbidity
100%
confidence interval
49%
demographic statistics
13%
diabetes
16%
drug therapy
15%
health services
16%
incidence
43%
influenza vaccines
91%
medical history
25%
methodology
4%
odds ratio
38%
Social Sciences
chronic illness
8%
comorbidity
43%
confidence
19%
contagious disease
60%
Healthcare
6%
illness
49%
incidence
29%
incident
28%
medication
7%
recipient
51%
secondary analysis
9%
utilization
7%
Medicine & Life Sciences
Cohort Studies
4%
Comorbidity
19%
Confidence Intervals
11%
Delivery of Health Care
3%
Demography
3%
Hydroxymethylglutaryl-CoA Reductase Inhibitors
60%
Incidence
12%
Influenza Vaccines
70%
Odds Ratio
7%
Population
2%
Propensity Score
26%
Retrospective Studies
4%