Figure 3From: Validation of the chronic disease score-infectious disease (CDS-ID) for the prediction of hospital-associated clostridium difficile infection (CDI) within a retrospective cohort Calibration plot of the CDS-ID plus age as predictors of Clostridium difficile Infection. (Solid line with circles – Expected Distribution of Cases; Dashed line with squares – Observed Distribution of Cases).Back to article page