Table 4.

Calibration and discrimination results for each sofa parameter in predicting mortality

	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

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