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Table 4 Model performance measures reported in the 78 studies

From: External validation of multivariable prediction models: a systematic review of methodological conduct and reporting

Performance measure

n (%)

Calibration

 

   Not assessed

53 (68)

   Calibration plot

11 (14)

   Hosmer-Lemeshow test 7

16 (21)

Discrimination

 

   Not assessed/not reported

21 (27)

   c-index

57 (73)

ROC curve

23 (29)

Overall performance measures

 

   Brier score

5 (6)

   R 2

13 (17)

Clinical utility (e.g. decision curve analysis)

1 (1)

  1. 7Including one study calculating Grønnesby and Borgan goodness-of-fit test (for survival data).
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BMC Medical Research Methodology

ISSN: 1471-2288

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