Predictive accuracy of AHRQ 29-comorbidity index for in-hospital death among adult hospitalizations with a diagnosis of VTE and among those with DVT or PE, NIS, 2010.

aComorbidity retained in logistic regression model that also adjusted for age (continuous), sex, race/ethnicity, total days of hospital stay (continuous), primary expected payer, major operating room procedure.bFrom logistic regression and ROC models with bootstrap replication estimation.c95% confidence interval.dSelected comorbidities (unsuppressed) shown in Table 2.