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Baseline Characteristics of 97 patients
| COPD patients (n = 97) Mean (SD) |
|
|---|---|
| Age (years) |
71.8 (8.8) |
| FEV1 (litre) |
1.19 (0.54) |
| FEV1 (% predicted) |
50.3 (19.7) |
| FVC (litre) |
2.5 (0.84) |
| BMI (kgm-2) |
27.0 (6.0) |
| Pack years smoking |
50.7 (34.2) |
| SpO2 (%) on air |
95 (2) |
| 25-hydroxyvitamin D nmol/L |
Median (IQR) |
| Summer |
41.3 (26.8 – 64.8) |
| Winter |
27.8 (19.4 – 44.4) |
| |
Number (%) |
| Male |
61 (62.9) |
| Frequent exacerbators |
28 (28.9) |
| Current smokers | 25 (25.8) |
