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Table 4 Calibration and discrimination results for each sofa parameter 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

Respiration

6.006

1

0.014

0.529 ± 0.046

0.439 – 0.619

0.524

Renal

16.566

2

<0.001

0.803 ± 0.033

0.738 – 0.867

<0.001

Liver

0.421

1

0.516

0.578 ± 0.048

0.484 – 0.673

0.087

Cardiovascular

2.947

3

0.400

0.805 ± 0.034

0.737 – 0.872

<0.001

Coagulation

2.929

1

0.087

0.677 ± 0.047

0.584 – 0.770

<0.001

Neurological

5.550

1

0.018

0.703 ± 0.048

0.608 – 0.797

<0.001

Cardiovascular + Renal

2.303

4

0.680

0.871 ± 0.023

0.825 – 0.917

<0.001

  1. Abbreviations: AUC area under the curve, CI confidence interval, df degree of freedom, SE standard error
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