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Table 3 Calibration and discrimination results for the scoring methods in predicting mortality

From: Sequential organ failure assessment score predicts mortality after coronary artery bypass grafting

 

Calibration

Discrimination

 

goodness-of-fit (χ 2)

df

p

AUC ± SE

95% CI

p

Postoperative SOFA

3.361

6

0.762

0.912 ± 0.019

0.875 – 0.949

<0.001

Postoperative APACHE II

6.335

8

0.610

0.866 ± 0.027

0.813 – 0.919

<0.001

STS-risk of mortality

29.654

8

<0.001

0.898 ± 0.017

0.864 – 0.932

<0.001

EuroSCORE II

40.472

8

<0.001

0.863 ± 0.022

0.821 – 0.906

<0.001

  1. Abbreviations: APACHE Acute Physiology and Chronic Health Evaluation, AUC area under the curve, CI confidence interval, df degree of freedom, EuroSCORE European System for Cardiac Operative Risk Evaluation, SE standard error, SOFA Sequential Organ Failure Assessment, STS Society of Thoracic Surgeons
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BMC Surgery

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