Table 1.
Patient characteristics (n=91)
| Malea | 76 (83.5) |
| Age (years)b | 60.3±9.3 |
| Current smoker | 8 (9) |
| Ex-smoker | 83 (91) |
| COPD stagea | |
| GOLD 1 | 7 (8) |
| GOLD 2 | 53 (58) |
| GOLD 3 | 20 (22) |
| GOLD 4 | 11 (12) |
| BODE Indexb | 3.7±1.82 |
| LTOTa | 4 (4) |
| NIVa | 1 (1) |
| FVC (L)b | 2.89±0.85 |
| FVC (% predicted)b | 73±24 |
| FEV1(L)b | 1.69±0.59 |
| FEV1 (% predicted)b | 55±19 |
| FEV1/FVC (%)b | 58.2±11.7 |
| BMI (kg/m2)b | 27.3±6.3 |
| >30a | 30 (33) |
| 25–29.9a | 25 (27.5) |
| 21–24.9a | 20 (22) |
| <21a | 16 (17.5) |
| Cardiovascular comorbiditiesa | 60 (66) |
| Hypertensiona | 26 (29) |
| Peripheral arterial diseasea | 8 (8.7) |
| Myocardial infarctiona | 7 (8) |
| Diabetesa | 11 (12) |
Notes:
a
Results expressed as number (%),
b
mean ± standard deviation.
Abbreviations: BMI, body mass index; GOLD, Global Initiative for Chronic Obstructive Lung Disease; LTOT, long term oxygen therapy; NIV, non invasive ventilation; FVC, forced vital capacity; FEV1, forced expiratory volume in one second.