Table 4 Significant simple and multiple linear regression analyses of associations of risk of length of hospital stay
Variable | Simple | Multiplea | ||||
|---|---|---|---|---|---|---|
β | 95% CI | P value | β | 95% CI | P value | |
≥ 2 AECOPD or 1 admission by AECOPD in the previous year | 1.89 | 0.05 a 3.72 | 0.044 | – | – | – |
Bronchiectasis | 1.70 | −0.19 a 3.61 | 0.079 | – | – | – |
Long-term oxygen therapy | 1.73 | −0.19 a 3.66 | 0.077 | – | – | – |
BODEx index | 0.89 | 0.08 a 1.70 | 0.032 | 0.81 | 0.04 a 1.59 | 0.039 |
C-reactive protein (mg/dL) | −1.56 | −3.37 a 0.26 | 0.092 | – | – | – |
PaCO2 | 2.14 | 0.34 a 3.94 | 0.020 | – | – | – |
Previous positive sputum culture for Pseudomonas aeruginosa | 5.88 | 1.83 a 9.92 | 0.005 | – | – | – |
Adequate Empiric Treatment | −1.54 | −2.86 a − 0.22 | 0.023 | – | – | – |
Invasive mechanical ventilation | 8.06 | 2.91 a 13.21 | 0.002 | 5.92 | 0.82 a 11.02 | 0.023 |
Non-invasive mechanical ventilation | 3.82 | 1.45 a 6.19 | 0.002 | 3.18 | 0.84 a 5.53 | 0.008 |
MRCT Isolation | 3.53 | 1.19 a 5.88 | 0.003 | 3.11 | 0.84 a 5.37 | 0.007 |