Figure 1From: Validation of the chronic disease score-infectious disease (CDS-ID) for the prediction of hospital-associated clostridium difficile infection (CDI) within a retrospective cohort ROC curves for models containing only age and CDS-ID with age as predictors of CDI. (Dashed line – Age Only; Solid Line – CDS-ID plus Age; ROC - Receiver operator characteristics; CDI - Clostridium difficile Infection).Back to article page