0 exacerbations per year (n = 849) | 1 exacerbation per year (n = 383) | ≥ 2 exacerbations per year (n = 328) | |
---|---|---|---|
BMI (kg/\({\mathrm{m}}^{2}\)), mean | 27.15 (SD 5.99) | 27.17 (SD 6.12) | 26.28 (SD 6.76) |
Pack-years, mean | 30.49 (SD 20.89) | 36.04 (SD 22.97) | 36.90 (SD 20.45) |
\({\mathrm{FEV}}_{1}/\mathrm{FVC}\), mean | 0.60 (SD 0.14) | 0.57 (SD 0.15) | 0.53 (SD 0.15) |
\({\mathrm{FEV}}_{1}\)%predicted (%), mean | 64.71 (SD 23.52) | 57.10 (SD 22.58) | 51.43 (SD 22.99) |
\({\mathrm{FEV}}_{1}\)(L), mean | 1.64 (SD 0.66) | 1.43 (SD 0.62) | 1.27 (SD 0.64) |
B-eosinophils (109/L), mean | 0.25 (SD 0.21) | 0.25 (SD 0.22) | 0.23 (SD 0.19) |
MRC-score, mean | 2.38 (SD 1.02) | 2.82 (SD 1.11) | 3.20 (SD 1.04) |