Figure 4From: ISS mapped from ICD-9-CM by a novel freeware versus traditional coding: a comparative studyROC curves for prediction of survival of the 2 scores. ROC area of directly calculated ISS: 0.7631, 95% CI 0.68-0.84. ROC area of ICDPIC ISS: 0.6355 95% CI 0.53-0.73. ISS = Injury Severity Score.Back to article page