Table 1.
Patient demographics (n = 477).
| Parameter | Mean (±SD) or count (%) |
|---|---|
| Sex male | 265 (55.6%) |
| Age | 64.3 (± 5.3) |
| Pack years | 57.7 (± 32.9) |
| Height (cm) | 169.5 (± 9.4) |
| Weight (kg) | 79.6 (± 16.0) |
| BMI | 27.6 (± 4.4) |
| FEV1% predicted | 76.1 (± 27.3) |
| FEV1/FVC% (%) | 61.4 (± 16.6) |
| GOLD classification | |
| No airflow obstruction | 176 (36.9%) |
| GOLD I | 80 (16.8%) |
| GOLD II | 131 (27.5%) |
| GOLD III | 50 (10.5%) |
| GOLD IV | 40 (8.4%) |
BMI, body mass index; FEV1% predicted, the forced expiratory volume in one second as percent predicted value; FEV1/FVC%, ratio of forced expiratory volume in 1 s (FEV1) to forced vital capacity (FVC); GOLD, Global Initiative for Obstructive Lung Disease.