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Table 4 Model comparison statistics evaluating the discriminatory power of the base regression model and the additive value of preoperative Gal-3 terciles and preoperative NT-proBNP terciles

From: Elevated preoperative Galectin-3 is associated with acute kidney injury after cardiac surgery

 

C-statistic (95% CI)

ROCCOMP

p valuea

STS Readmission Prediction Model

0.69 (0.66–0.71)

 

STS model + Gal-3 preoperative terciles

0.70 (0.67–0.72)

0.042

STS model + combined Gal-3 and NT-pro BNP preoperative terciles

0.70 (0.68–0.73)

0.005

  1. aROC comparison against base model