Variable | Patients with microorganisms resistant to conventional treatment | Patients with microorganisms sensitive to conventional treatment | ||||
---|---|---|---|---|---|---|
OR | 95% CI | P value | OR | 95% CI | P value | |
Non-current smoker | 4.19 | 1.29 to 13.67 | 0.017 | 0.78 | 0.38 to 1.59 | 0.49 |
≥ 2 AECOPD or 1 admission by AECOPD in the previous year | 4.13 | 1.52 to 11.17 | 0.005 | 1.75 | 0.76 to 3.99 | 0.19 |
BODEx index | ||||||
 1st quartile: 0–2 | 1 | – | – | 1 | – | – |
 2nd quartile: 3–4 | 2.32 | 0.67 to 7.98 | 0.18 | 0.62 | 0.21 to 1.88 | 0.40 |
 3rd quartile: 5–6 | 1.85 | 0.58 to 5.90 | 0.30 | 1.12 | 0.44 to 2.88 | 0.82 |
 4th quartile: 7–9 | 0.48 | 0.10 to 2.33 | 0.37 | 0.14 | 0.03 to 0.70 | 0.016 |
C-reactive protein < 5 mg/dL at admission | 3.58 | 1.41 to 9.07 | 0.007 | 1.14 | 0.57 to 2.27 | 0.72 |