Brazilian Pediatric Reference Data for Quantitative Ultrasound of Phalanges According to Gender, Age, Height and Weight | Zendy

Ezequiel Moreira Gonçalves | Zendy; Roberto Régis Ribeiro | Zendy; Wellington Roberto Gomes de Carvalho | Zendy; Anderson Márques de Moraes | Zendy; Everton Paulo Roman | Zendy; Keila Donassolo Santos | Zendy; Pedro Augusto Rodrigues Medaets | Zendy; Nélio Neves Veiga-Junior | Zendy; Adrielle Caroline Lace de Moraes Coelho | Zendy; Tathyane Krahenbühl | Zendy; Letícia E. Sewaybricker | Zendy; Antônio de Azevedo Barros Filho | Zendy; André Moreno Morcillo | Zendy; Gil GuerraJúnior | Zendy

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Brazilian Pediatric Reference Data for Quantitative Ultrasound of Phalanges According to Gender, Age, Height and Weight

Author(s) -

Ezequiel Moreira Gonçalves,

Roberto Régis Ribeiro,

Wellington Roberto Gomes de Carvalho,

Anderson Márques de Moraes,

Everton Paulo Roman,

Keila Donassolo Santos,

Pedro Augusto Rodrigues Medaets,

Nélio Neves Veiga-Junior,

Adrielle Caroline Lace de Moraes Coelho,

Tathyane Krahenbühl,

Letícia E. Sewaybricker,

Antônio de Azevedo Barros Filho,

André Moreno Morcillo,

Gil GuerraJúnior

Publication year - 2015

Publication title -

plos one

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.99

H-Index - 332

ISSN - 1932-6203

DOI - 10.1371/journal.pone.0127294

Subject(s) - percentile , medicine , phalanx , age groups , demography , body mass index , body height , reference values , body weight , pediatrics , orthodontics , surgery , statistics , mathematics , sociology

Aims To establish normative data for phalangeal quantitative ultrasound (QUS) measures in Brazilian students. Methods The sample was composed of 6870 students (3688 females and 3182 males), aged 6 to 17 years. The bone status parameter, Amplitude Dependent Speed of Sound (AD-SoS) was assessed by QUS of the phalanges using DBM Sonic BP (IGEA, Carpi, Italy) equipment. Skin color was obtained by self-evaluation. The LMS method was used to derive smoothed percentiles reference charts for AD-SoS according to sex, age, height and weight and to generate the L, M, and S parameters. Results Girls showed higher AD-SoS values than boys in the age groups 7–16 (p<0.001). There were no differences on AD-SoS Z-scores according to skin color. In both sexes, the obese group showed lower values of AD-SoS Z-scores compared with subjects classified as thin or normal weight. Age (r 2 = 0.48) and height (r 2 = 0.35) were independent predictors of AD-SoS in females and males, respectively. Conclusion AD-SoS values in Brazilian children and adolescents were influenced by sex, age and weight status, but not by skin color. Our normative data could be used for monitoring AD-SoS in children or adolescents aged 6–17 years.

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