Table 3.

Evaluation of Predictive Performance of ALN Prediction Model Based on ROC

Prediction Model	Training Set				International Set
	AUC	95% CI	PPV	NPV	AUC	95% CI	PPV	NPV
RFM	0.893	0.836~0.950	0.88	0.99	0.891	0.834~0.948	0.75	0.99
GLRM	0.818	0.757~0.879	0.50	0.95	0.799	0.738~0.860	0.53	0.96

Abbreviations: AUC, Area under the curve; 95% CI, 95% confidence interval; PPV, Positive predictive value; NPV, negative predictive value; RFM, Random forest model; GLRM, Generalized linear regression.