The impact of performance status and comorbidities on the short-term prognosis of very elderly patients admitted to the ICU

Table 3 Comparison of determination, discrimination and calibration indexes of SAPS 3 and created model to predict hospital mortality

Variable	SAPS 3	Model
Pseudo R ²	0.32	0.43
Pseudo R² after Bootstrap	0.32	0.42
C statistic	0.81	0.86
C-statistic after Bootstrap	0.81	0.85
D _xy	0.62	0.71
D_xy after bootstrap	0.62	0.71
Mean absolute error after bootstrap	0.013	0.008

ISSN: 1471-2253