Table 3. The values of the area under the curve (AUC), the cutoff value, sensitivity, and specificity of NC in detecting overweight/obesity in females.

Age, years	n	AUC*	Cutoff	Sensitivity*	Specificity*
6	36	0.80 (0.62–0.98)	26.7	83.3	70.0
7	36	0.88 (0.77–0.99)	27.4	85.7	79.3
8	36	0.82 (0.67–0.97)	28.2	83.3	73.3
9	36	0.84 (0.70–0.98)	29.2	87.5	71.4
10	36	0.82 (0.68–0.97)	30.0	75.0	78.0
11	36	0.83 (0.68–0.97)	30.9	71.4	79.3
12	36	0.85 (0.71–0.99)	31.4	75.0	71.4
13	36	0.84 (0.71–0.98)	32.1	83.3	76.7
14	36	0.87 (0.74–0.99)	32.6	75.0	82.1
15	36	0.88 (0.77–0.99)	32.9	85.7	79.3
16	36	0.79 (0.61–0.97)	33.1	80.0	67.7
17	36	0.86 (0.73–0.98)	33.4	71.4	82.8

*With 95% confidence interval.