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Table 5 Performance and Validation of Prediction Models

From: Prognostic value of coagulation tests for in-hospital mortality in patients with traumatic brain injury

Ā 

In-hospital Mortality

C Statistic (95%CI)

Pa

Development(nā€‰=ā€‰1643)

ā€ƒModel A

0.882 (0.855ā€“0.909)

0.925

ā€ƒModel B

0.893 (0.865ā€“0.920)

0.240

Internal Validationb

ā€ƒModel A

0.878 (0.851ā€“0.905)

ā€“

ā€ƒModel B

0.890 (0.862ā€“0.917)

ā€“

External Validation(nā€‰=ā€‰676)

ā€ƒModel A

0.868 (0.816ā€“0.921)

0.046

ā€ƒModel B

0.875 (0.824ā€“0.927)

0.152

  1. aH-L tests
  2. bInternal validation with 200 bootstrap re-samples using Harrellā€™s validation function