Table 1.
Clinical Characteristics of 121 Patients with IPF.
| n=121 | |
|---|---|
| Male, n (%) | 99 (81.8) |
| Age (yrs), mean (SD) | 66.8 (7.6) |
| Smoking status, n (%) | |
| Current smoker | 9 (7.4) |
| Former smoker | 84 (69.4) |
| Never smoker | 28 (23.1) |
| BMI (kg/m2), mean (SD) | 23.5 (3.2) |
| FVC (%pred), mean (SD) | 81.1 (18.9) |
| FEV1/FVC, mean (SD) | 85.8 (7.3) |
| DLco (%pred), mean (SD) | 61.1 (19.9) |
| 6MWD (m), mean (SD) | 574 (131) |
| lowest SpO2 (%), mean (SD) | 83.5 (7.8) |
| PaO2 at rest (torr), mean (SD) | 81.2 (11.2) |
IPF: idiopathic pulmonary fibrosis, BMI: body mass index, FVC: forced vital capacity, FEV1: forced expiratory volume in 1 second, DLco: diffusion capacity for carbon monoxide, 6MWD: 6-min walk distance, SpO2: oxygen saturation values obtained from pulse oximetry, PaO2: partial pressure of oxygen in arterial blood