Table 3.
Postbronchodilator spirometry in patients with chronic obstructive pulmonary disease according to the presence or absence of RE
Values are presented as medians (interquartile range), mean ± SD, or number (%).
RE, reflux esophagitis; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; GOLD, Global Initiative for Obstructive Lung Disease.