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Table 2 Performance of the prediction models

From: Development and validation of the predictive risk of death model for adult patients admitted to intensive care units in Japan: an approach to improve the accuracy of healthcare quality measures

Model performance

Before recalibration

Model 1

Model 2

Model 3

AUROC

0.915

0.915

0.915

0.917

Optimism-corrected AUROC

-

0.915

0.915

0.916

Brier score

0.062

0.047

0.047

0.047

Scaled Brier score

0.171

0.37

0.37

0.38

Modified Hosmer–Lemeshow test, p value

< .001

< .001

.002

.84

Calibration plot

 Intercept

- 1.32

0.04

0.00

0.01

 Slope

1.02

1.02

1.00

1.01

Akaike information criterion

-

11219

11219

11129

Standardized mortality ratio

0.48

1.00

1.00

1.00

  1. AUROC area under the receiver operating characteristic curve