Table 4.

ESAC total score receiver operating characteristic analysis results.

	Optimal cutoff	AUC	[95% CI]	Sensitivity	Specificity	PPV	NPV
12–17 months (n = 159)	20	0.91	[0.86, 0.96]	0.86	0.82	0.64	0.94
18–23 months (n = 187)	18	0.93	[0.89, 0.97]	0.87	0.85	0.76	0.92
24–36 months (n = 249)	18	0.93	[0.89, 0.96]	0.88	0.84	0.81	0.90

AUC: area under curve; CI: confidence interval; PPV: positive predictive value; NPV: negative predictive value.