Univariate analysis | Multivariate analysis | |||||
---|---|---|---|---|---|---|
Variables | OR | CI 95% | p-value | OR | CI 95% | p-value |
Age ≥ 60 years | 2.38 | 1.30–4.35 | 0.005 | 2.92 | 1.64–5.21 | < 0.001 |
Hypertension | 1.63 | 0.87–3.06 | 0.13 | |||
Former and current smokers | 1.88 | 0.97–3.66 | 0.06 | |||
Disease severity score 4 | 1.43 | 0.66–3.14 | 0.37 | |||
Disease severity score 5 | 1.48 | 0.65–3.37 | 0.36 | |||
Disease severity score 6 | 4.00 | 1.31–12.16 | 0.015 | 3.03 | 1.14–8.10 | 0.027 |
Disease severity score 7 | 3.70 | 1.10–12.46 | 0.035 | 2.95 | 0.99–8.77 | 0.052 |