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Table 3 Measures of model performance in the development and validation samples

From: Predicting invasive fungal disease due to Candida species in non-neutropenic, critically ill, adult patients in United Kingdom critical care units

Measure

Development sample

Validation samples

Original

Optimism Adjusted a

Random

Temporal

Geographical

Full

Admission model

 c index

0.705

0.688

0.721

0.650

0.640

0.655

 Brier’s score

0.0040

0.0041

0.0026

0.0043

0.0040

0.0038

24-h model

 c index

0.824

0.810

0.840

0.759

0.650

0.732

 Brier’s score

0.0038

0.0038

0.0019

0.0042

0.0044

0.0037

End of calendar day 3 model

 c index

0.835

0.825

0.803

0.720

0.661

0.709

 Brier’s score

0.0050

0.0050

0.0026

0.0049

0.0048

0.0043

  1. aOptimism adjusted using bootstrapping
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BMC Infectious Diseases

ISSN: 1471-2334

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