Table 1.

Demographic and Spirometric Characteristics of the 207 Patients with Chronic Obstructive Pulmonary Disease

BMI, body mass index; ATS, American Thoracic Society; ERS, European Respiratory Society; FEV₁, forced expiratory volume in 1 second; FVC, forced vital capacity. Data are presented as n (%) and mean ± SD.

^*p < 0.01 versus pre-bronchodilator value.