Accuracy of neck circumference for diagnosing overweight in sixand seven-year-old children

Mucelin, Eduarda; Traebert, Jefferson; Zaidan, Milcia Almeida; Piovezan, Anna Paula; Nunes, Rodrigo Dias; Traebert, Eliane

doi:10.1016/j.jped.2020.11.005

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Sumário

ORIGINAL ARTICLE • J. Pediatr. (Rio J.) 97 (05) • Sep-Oct 2021 • https://doi.org/10.1016/j.jped.2020.11.005 copy

Accuracy of neck circumference for diagnosing overweight in sixand seven-year-old children^☆ * Study conducted at Universidade do Sul de Santa Catarina (UNISUL), Palhoça, SC, Brazil.

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Objective:

To estimate the accuracy of neck circumference measurement as a method of diagnosing excess weight of six and seven-year-old children.

Methods:

1026 six and seven-year-old children were included and anthropometric data were collected using cut-off points for the Body Mass Index (BMI) Z-score, in addition to the measurement of their neck circumference in centimeters. Pearson’s correlation coefficient was used to assess the correlation between neck circumference and BMI. Sensitivity, specificity, positive and negative predictive values were calculated. The Receiver Operating Characteristic curve was used to measure the accuracy of neck circumference as a diagnostic method for excess weight.

Results:

A positive linear correlation value was observed between neck circumference and BMI 0.572 (p < 0.001). The accuracy value of the global ROC curve was 0.772 (p < 0.001). Sensitivity and specificity showed low values, but high positive predictive values were observed, especially between measures of 30 and 31 cm.

Conclusion:

Neck circumference showed accuracy of 77.2% as a diagnostic method for overweightness in six and seven-year-old children.

KEYWORDS
Childhood obesity; Body mass index; Adipose tissue

NC (cm)	Se	Sp	PPV	NPP
22.0	0.00	0.99	0.00	0.64
23.0	0.00	0.96	0.00	0.64
24.0	0.02	0.88	0.09	0.62
25.0	0.09	0.75	0.17	0.60
26.0	0.17	0.73	0.26	0.62
27.0	0.23	0.82	0.41	0.66
28.0	0.18	0.90	0.51	0.67
29.0	0.08	0.98	0.69	0.66
30.0	0.07	0.99	0.82	0.66
31.0	0.05	0.99	0.91	0.66
32.0	0.03	1.00	1.00	0.64
33.0	0.01	1.00	1.00	0.35
34.0	0.01	1.00	1.00	0.65
35.0	0.01	1.00	1.00	0.64
36.0	0.01	1.00	1.00	0.64

Accuracy measures for the male					Accuracy measures for the female
NC (cm)	Se	Sp	PPV	NPP	NC (cm)	Se	Sp	PPV	NPP
22.0	0.00	0.99	0.00	0.62	22.0	0.00	0.98	0.00	0.66
23.0	0.00	0.98	0.00	0.60	23.0	0.00	0.93	0.00	0.65
24.0	0.01	0.93	0.11	0.60	24.0	0.03	0.82	0.08	0.63
25.0	0.09	0.78	0.20	0.58	25.0	0.09	0.71	0.13	0.61
26.0	0.13	0.73	0.22	0.58	26.0	0.22	0.72	0.28	0.65
27.0	0.23	0.75	0.36	0.61	27.0	0.23	0.88	0.49	0.70
28.0	0.20	0.86	0.47	0.64	28.0	0.15	0.94	0.56	0.69
29.0	0.11	0.97	0.70	0.64	29.0	0.12	0.98	0.83	0.69
30.0	0.08	0.99	0.85	0.64	30.0	0.06	0.99	0.77	0.68
31.0	0.07	0.99	0.93	0.63	31.0	0.03	0.99	0.85	0.67
32.0	0.03	1.00	1.00	0.63	32.0	0.02	1.00	1.00	0.67
33.0	0.01	1.00	1.00	0.62	33.0	0.01	1.00	1.00	0.67
34.0	0.01	1.00	1.00	0.62	34.0	0.01	1.00	1.00	0.67
35.0	0.01	1.00	1.00	0.62	35.0	0.00	0.00	0.00	0.00
36.0	0.01	1.00	1.00	0.62	36.0	0.00	0.00	0.00	0.00

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E-mail: jped@jped.com.br

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Study conducted at Universidade do Sul de Santa Catarina (UNISUL), Palhoça, SC, Brazil.

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Accuracy of neck circumference for diagnosing overweight in sixand seven-year-old children☆ * Study conducted at Universidade do Sul de Santa Catarina (UNISUL), Palhoça, SC, Brazil.

Abstract

Objective:

Methods:

Results:

Conclusion:

Accuracy of neck circumference for diagnosing overweight in sixand seven-year-old children^☆ * Study conducted at Universidade do Sul de Santa Catarina (UNISUL), Palhoça, SC, Brazil.