OR (95% CI) | p-value | β-coefficient | ||
Initial | Rounded | |||
Age >70 years versus ≤70 years | 4.98 (2.67–9.28) | 0.0001 | 1.61 | 2 |
Dyspnoea mMRC score III–IV versus I–II | 2.75 (1.46–5.18) | 0.002 | 1.01 | 1 |
Post-bronchodilator FEV1 <50% versus ≥50% predicted | 5.19 (2.76–9.75) | 0.0001 | 1.65 | 2 |
Extension >2 lobes versus 1–2 lobes | 1.87 (1.01–3.46) | 0.04 | 0.62 | 1 |
Chronic colonisation by Pseudomonas aeruginosa yes versus no | 2.37 (1.28–4.58) | 0.006 | 0.86 | 1 |
mMRC: modified Medical Research Council; FEV1: forced expiratory volume in 1 s.