Abstract
BackgroundThe Clavien-Dindo classification (CDC) system and Comprehensive Complication Index (CCI®) are both widely used methods for reporting the burden of postoperative complications. This study aimed to compare the accuracy of the CDC and CCI® in predicting outcomes associated with pancreatic surgery. MethodsThe CCI® and CDC were applied to 668 patients who underwent pancreatic resection. Length of postoperative stay (LOS) was chosen as the primary outcome variable. The comparison between CCI® and CDC was made with the Spearman test, reporting þs with standard error (SE) and logistic regression, reporting the Odds Ratio (OR) and Area Under the Curve with SE. ResultsThe median value with the interquartile range (IQR) of CCI® was 20.9 (0–29.6). Both CCI® (þs = 0.609) and CDC (0.590) were significantly (P < 0.001) correlated to LOS. CCI (OR 1.056 and OR 1.052) and CDC (OR 1.978, and OR 1.994) predicted (P < 0.001) LOS over the median and 75th percentile. The accuracy of CCI® was superior to CDC for LOS over 50th (0.785 vs. 0.740; P = 0.004) and over 75th (0.835 vs. 0.761; P < 0.001) percentile. ConclusionThe accuracy of CCI® in measuring the complicated postoperative course was superior to CDC, correctly classifying eight patients every ten tested.
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