Table 4.

ROC curve analysis of NHtR in assessing abdominal obesity among children and adolescents of different ages in females

Age (years)	AUC	95%CI	Cutoff value	Sensitivity	Specificity
7	0.714	0.598–0.829	0.22	0.618	0.865
8	0.760	0.651–0.868	0.22	0.600	0.923
9	0.814	0.721–0.907	0.21	0.762	0.835
10	0.794	0.697–0.892	0.21	0.700	0.881
11	0.820	0.733–0.906	0.20	0.630	0.957
12	0.992	0.980–1.000	0.20	1.000	0.965
13	0.939	0.891–0.986	0.20	0.885	0.861
14	0.902	0.837–0.968	0.20	0.906	0.756
15	0.907	0.857–0.957	0.20	0.970	0.759
16	0.927	0.881–0.973	0.20	1.000	0.792

ROC Receiver operating characteristic, CI Confidence interval, AUC Area under the curve, NHtR Neck-height ratio