Elevated neck circumference and associated factors in adolescents

BMC Public Health

Table 2 Cutoffs values of neck circumference (cm), according to sex, age and pubertal stage, which represent the highest sensitivity and specificity in relation to overweight

Sex		n	AUC*	CI 95%**	Sensib. (%)	Specif. (%)	Cuttoffs (cm)
Pubertal stages
Female	Prepubertal	34	0.937	0.856-0.999	87.5	92.3	≥28.25
	Pubertal	694	0.763	0.722-0.805	55.7	86.1	≥31.35
	Postpubertal	188	0.802	0.736-0.867	77.8	69.8	≥31.25
Male	Prepubertal	75	0.888	0.812-0.964	88.0	82.0	≥29.75
	Pubertal	655	0.693	0.649-0.737	57.3	70.4	≥34.25
	Postpubertal	21	0.713	0.480-0.945	100.0	43.7	≥33.90
Age group (years)
Female	10-12	312	0.854	0.811-0.897	83.9	74.5	≥29.35
	13-15	283	0.799	0.737-0.860	70.9	81.7	≥31.25
	16-17	321	0.859	0.807-0.911	80.0	78.9	≥31.65
Male	10-12	250	0.865	0.821-0.910	86.7	71.2	≥29.65
	13-15	244	0.836	0.783-0.888	77.3	75.7	≥33.90
	16-17	257	0.849	0.794-0.904	81.3	80.3	≥36.45
General (years)
Female	10-17	916	0.775	0.741-0.809	61.2	83.0	≥31.25
Male	10-17	751	0.690	0.649-0.730	53.3	72.8	≥34.25

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

ISSN: 1471-2458