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. 2019 Jun 17;16(12):2138. doi: 10.3390/ijerph16122138

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Percentage of students in each maturity stage and changes in cartilage thickness of each student at each examination time point from the longitudinal survey of grade 5 students (n = 26) by sex. Maturity stage (upper panel); Cartilaginous stage , Apophyseal stage , Epiphyseal stage . * Measurement points showing ≥20% consecutive increases in cartilage thickness from the previous measurement during observation. A girl who showed ≥20% consecutive increases in cartilage thickness in grade 5 fall developed OSD.

Inline graphic — Percentage of students in each maturity stage and changes in cartilage thickness of each student at each examination time point from the longitudinal survey of grade 5 students (n = 26) by sex. Maturity stage (upper panel); Cartilaginous stage , Apophyseal stage , Epiphyseal stage . * Measurement points showing ≥20% consecutive increases in cartilage thickness from the previous measurement during observation. A girl who showed ≥20% consecutive increases in cartilage thickness in grade 5 fall developed OSD.