Table 3.
Logistic regression analyses of the risk factors associated with NIV requirement in hospitalized AECOPD patients.
| Variables | B | SE | Wald | P value | Exp (B) | 95% CI for EXP (B) | |
|---|---|---|---|---|---|---|---|
| Lower | Upper | ||||||
| Number of AEs in the previous year | 0.290 | 0.112 | 6.682 | 0.010 | 1.337 | 1.073 | 1.666 |
| Cholinesterase (U/L) | 10.491 | 0.005 | |||||
| 4116 < ChE ≤ 6737 | 0.393 | 0.348 | 1.277 | 0.258 | 1.481 | 0.749 | 2.929 |
| ChE ≤ 4116 | 1.050 | 0.342 | 9.416 | 0.002 | 2.857 | 1.461 | 5.588 |
| Hematocrit | 0.032 | 0.017 | 3.403 | 0.065 | 1.032 | 0.998 | 1.068 |
| NLR | 0.031 | 0.016 | 3.627 | 0.057 | 1.031 | 0.999 | 1.064 |
| History of heart failure | 1.072 | 0.267 | 16.138 | <0.001 | 2.921 | 1.731 | 4.927 |
| Constant | −4.275 | 0.789 | 29.332 | <0.001 | 0.014 | ||
AE, acute exacerbation; NLR, neutrophil-to-lymphocyte ratio.