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. 2022 Jun 30;15:885–896. doi: 10.2147/JAA.S366453

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© 2022 Tsuneyoshi et al.

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Between-group comparison of the slopes for lung function growth in girls and boys from the ages of 6 years to 17 years.

Notes: %FVC predicted, %FEV₁ predicted, and FEV₁/FVC ratio in Girls (A) and Boys (B). The slopes with poor and good control groups are shown in red and blue lines, respectively. We performed between-group comparisons of the slopes of %FVC predicted, %FEV₁ predicted, and FEV₁/FVC ratio growth in the two age groups (ages: 6–11 years and 12–17 years).