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Comparison of CAT scores between COPD and ACOS patients.
Notes: Results for CAT scores were compared between ACOS and COPD patients by Mann–Whitney U-tests. Bars indicate standard errors.
Abbreviations: ACOS, asthma–chronic obstructive pulmonary disease overlap syndrome; CAT, chronic obstructive pulmonary disease assessment test; COPD, chronic obstructive pulmonary disease.
