| 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) |