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. 2024 May 23;19:1123–1130. doi: 10.2147/COPD.S455397

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© 2024 Yamamoto et al.

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The percentage of female patients within each group of the GOLD ABCD classification (A) and ABE classification (B). The percentage of female patients was 11.4% in the overall cohort, 8.8% in group A, 12.6% in group B, 12.9% in group C, 18.8% in group D, and 17.6% in group E. The proportion of female patients increased in the more severe group. Female patients were more affected by the disease than male patients in terms of subjective symptoms and number of exacerbations.