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Table 4 Selected model performance measures

From: Validation of a novel prediction model for early mortality in adult trauma patients in three public university hospitals in urban India

Model Updating sample Validation sample
SF AUROCC (IQR) CS (IQR) AUROCC (IQR) CS (IQR)
Basic 0.927 0.845 (0.841–0.854) 0.997 (0.955–1.017) 0.846 (0.841–0.849) 1.183 (1.168–1.202)
Basic + HR 0.896 0.848 (0.842–0.857) 0.985 (0.957–1.020) 0.846 (0.842–0.850) 1.126 (1.105–1.142)
Kondo et al. 0.987 0.815 (0.808–0.822) 1.112 (1.062–1.146) 0.842 (0.838–0.846) 1.480 (1.458–1.497)
Perel et al. 0.960 0.844 (0.835–0.853) 1.010 (0.978–1.048) 0.847 (0.844–0.851) 1.192 (1.178–1.215)
SBP 1.011 0.780 (0.772–0.788) 1.258 (1.185–1.280) 0.681 (0.676–0.688) 0.795 (0.765–0.819)
GCS 0.969 0.802 (0.795–0.807) 1.198 (1.166–1.231) 0.838 (0.835–0.842) 1.476 (1.449–1.490)
  1. Abbreviations: AUROCC area under the receiver operating characteristics curve, CS calibration slope, GCS Glasgow coma scale, HR heart rate, IQR inter-quartile range, SBP systolic blood pressure, SF shrinkage factor