External validation of SAPS 3 and MPM0-III scores in 48,816 patients from 72 Brazilian ICUs

Annals of Intensive Care

Table 3 Scores performances comparison

	Mortality		Discrimination		Calibration*		Precision
	Predicted mortality (±SD)	SMR (95% CI)	AUROC	95% CI	Over the bisector 95% CI	Under the bisector 95% CI	Brier score
SAPS 3-SE	16.4 ± 19.3%	1.00 (0.98–1.02)	0.850	0.84–0.85	0.00–0.01	0.08–0.12	0.098
SAPS 3-CSA	21.7 ± 23.2%	0.75 (0.74–0.77)	0.850	0.84–0.85	Never	Always	0.103
MPM0-III	14.3 ± 14.0%	1.15 (1.13–1.18)	0.800	0.79–0.80	0.07–0.97	0.01–0.03	0.111

SAPS 3-SE Simplified Acute Physiology Score 3-Standard Equation, SAPS 3-CSA Simplified Acute Physiology Score 3-Customized equation for Central and South American Countries, MPM0-III Mortality Probability Models III, SMR Standardized mortality rates, AUROC area under the curve
* Calibration described as bisector deviation intervals, as proposed by GiViTI, (Italian Group for the Evaluation of Intervention in Intensive Care Medicine)