Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Predictors of long-term mortality in patients undergoing aortic valve replacement surgery. Estimated hazard ratios (HR, black dots) and relative mortality ratios (hollow dots) for predictor variables of long-term observed and relative mortality, respectively. Corresponding 95% confidence intervals are provided. COPD; chronic obstructive pulmonary disease; GFR; glomerular filtration rate. *Never smoker was used as the reference category (HR = 1.0).
