Keyphrases
Early Outcome
100%
COVID-19
100%
Severe Acute Respiratory Syndrome Coronavirus 2 Infection
100%
Charlson Comorbidity Index
66%
Rehospitalization
50%
Severe Disease
33%
Incidence Rate
33%
Unvaccinated
33%
Calendar Period
33%
Disease Severity
16%
Illness
16%
Adjusted Odds Ratio
16%
US Veterans
16%
Veterans Health Administration
16%
Length of Hospital Stay
16%
Demographic Characteristics
16%
Prospective Cohort Study
16%
Multivariable
16%
Hospital Days
16%
Adjusted Hazard Ratio
16%
Veterans Affairs Medical Center
16%
Department of Veterans Affairs
16%
Severity Index
16%
Hospitalization Days
16%
Vaccination Status
16%
Aging Period
16%
Severe Coronavirus Disease 2019
16%
Coronavirus Disease 2019 Vaccination
16%
Nursing and Health Professions
Infection
100%
Severe Acute Respiratory Syndrome
100%
Disease
66%
Charlson Comorbidity Index
44%
Hospital Readmission
33%
Rate Ratio
22%
Vaccination Policy
22%
Health Care Management
11%
Odds Ratio
11%
Outpatient Department
11%
Disease Severity
11%
Hazard Ratio
11%
Prospective Cohort Study
11%
Vaccine Efficacy
11%
Pharmacology, Toxicology and Pharmaceutical Science
Infection
100%
SARS Coronavirus
100%
Disease
66%
Comorbidity
44%
Coronavirinae
33%
Vaccination Policy
22%
Prospective Cohort Study
11%
Disease Severity
11%
Medicine and Dentistry
Infection
100%
Severe Acute Respiratory Syndrome Coronavirus 2
100%
Charlson Comorbidity Index
44%
Disease
33%
COVID-19
33%
Hazard Ratio
11%
Disease Severity
11%
Odds Ratio
11%
Demography
11%
Veterans Health
11%
Prospective Cohort Study
11%
Veterans Affairs
11%
Mathematics
Incidence Rate
100%
Odds Ratio
50%
Hazard Ratio
50%
Hospital Day
50%
Unit Increase
50%
Neuroscience
SARS Coronavirus
100%
Coronavirinae
33%
Coronavirus
33%