Table 6.

Phase II detailed report of sensitivity, specificity, AUC stratified by cutoff value and age interval

Thresholds	Age	Area under the curve (AUC)	Sensitivity	Specificity	Correctly classified
≥ 2	All	0.737	75.86%	67.62%	69.40%
	< 30	0.750	62.50%	80.00%	72.22%
	30–49	0.764	75.00%	68.89%	70.18%
	50–69	0.864	100.00%	60.61%	66.67%
	≥ 70	0.618	66.67%	70.59%	70.00%
≥ 3	All	0.737	51.72%	81.90%	75.37%
	< 30	0.750	37.50%	100.00%	72.22%
	30–49	0.764	50.00%	86.67%	78.95%
	50–69	0.864	83.33%	72.73%	74.36%
	≥ 70	0.618	NA	NA	NA
≥ 4	All	0.737	44.83%	87.62%	78.36%
	< 30	0.750	25.00%	100.00%	66.67%
	30–49	0.764	41.67%	95.56%	84.21%
	50–69	0.864	83.33%	78.79%	79.49%
	≥ 70	0.618	33.33%	76.47%	70.00%

NA not applicable