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Table 2 Comparison of discriminatory abilities of CDS-ID, age, and CDS-ID and age to predict Clostridium difficile Infection (CDI)

From: Validation of the chronic disease score-infectious disease (CDS-ID) for the prediction of hospital-associated clostridium difficile infection (CDI) within a retrospective cohort

Model cStatistic 95% CI Comparison to Age Alone Chi-square P
Age 0.609 0.570, 0.649 -
CDS-ID 0.653 0.617, 0.689 0.04
CDS-ID + Age 0.681 0.646, 0.716 <0.01
  1. Abbreviations: CDI=Clostridium difficile infection, CDSID =Chronic Disease Score – Infectious Disease, CI=Confidence Interval.