Table 3

Performance of the model using the original coefficients and after recalculation

ScoreDiscriminatory power
(AUROC)
Calibration
(Hosmer-Lemeshow χ2 test p value)
Original modelRecalculated modelOriginal modelRecalculated model
DevelopmentValidationDevelopmentValidation
Prytherch score60.842 (0.818–0.865)0.858 (0.827–0.889)0.874 (0.841–0.907)<0.0010.590.66
Froom score70.862 (0.813–0.910)0.930 (0.897–0.962)0.882 (0.806–0.957)0.930.009
Loekito score80.922 (0.879–0.965)0.911 (0.819–1.000)0.917 (0.823–1.000)0.00070.791.00
Asadollahi score110.803 (0.776–0.829)0.808 (0.774–0.842)0.813 (0.772–0.854)0.790.47
  • Area under receiver-operating curve (AUROC) above 0.8 represents good discriminatory power, and p value for calibration above 0.05 represents good calibration