Two-thirds of patients used inhaled corticosteroids for which the fluticasone equivalent dose was 667.8 mcg/day. Mean postbronchodilator FEV1 was 62.4%predicted and severity of COPD grading by GOLD criteria was 18.7% in stage I, 48.0% in stage II, 28.4% in stage III, and 4.9% in stage IV.