Elevated neck circumference and associated factors in adolescents

BMC Public Health

Table 3 Cuttoffs values of neck circumference (cm), according to sex, age and pubertal stage, which represent the highest sensitivity and specificity in relation to obesity

Sex		n	AUC*	CI 95%**	Sensib. (%)	Specif. (%)	Cuttoffs (cm)
Pubertal stage
Female	Prepubertal	34	0.909	0.805-0.999	100.0	87.9	≥29.75
	Pubertal	694	0.804	0.728-0.881	76.5	77.1	≥31.15
	Postpubertal	188	0.857	0.771-0.943	88.2	84.2	≥32.65
Male	Prepubertal	75	0.857	0.773-0.942	100.0	68.7	≥29.75
	Pubertal	655	0.740	0.677-0.802	40.3	94.2	≥37.95
	Postpubertal	21	0.375	0.161-0.589	100.0	35.0	≥33.90
Age group (Years)
Female	10-12	312	0.831	0.755-0.908	67.7	83.6	≥30.95
	13-15	283	0.883	0.800-0.967	80.0	89.9	≥32.60
	16-17	321	0.882	0.743-0.999	92.3	83.4	≥32.45
Male	10-12	250	0.877	0.832-0.923	93.8	71.6	≥30.20
	13-15	244	0.819	0.747-0.891	88.9	61.8	≥33.55
	16-17	257	0.924	0.865-0.982	90.0	92.4	≥38.45
General (Years)
Female	10-17	916	0.815	0.754-0.877	63.8	90.9	≥32.65
Male	10-17	751	0.712	0.654-0.770	34.2	94.5	≥37.95

*Area under the curve: ROC curve; **95% CI: confidence interval; Sensib: sensibility; Specif.: specificity; gold standard: z-score IMC.

ISSN: 1471-2458