Cox proportional hazards models for overall mortality prediction by demographic characteristics and clinical presentations.

aUnadjusted hazard ratios and 95% confidence intervals for variables that might predict overall mortality (pbResults of stepwise selection for a fitted cox regression model (Goodness-of-fit, Chi square = 214.226, pcThe hazard of dying for patients with malignancy or dyspnea attenuated after 6 months and averaged hazard ratios were reported.HR, hazard ratio; CI, confidence interval.