Table 2.
Predicting factors for respiratory hospitalization in patients with chronic obstructive pulmonary disease
| Factor | Univariate analysis |
Multivariate analysis |
||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | |
| NLR | ||||||
| < 2.8 | 1 | 1 | ||||
| ≥ 2.8 | 2.302 | 1.081–4.902 | 0.031 | 2.083 | 0.918–4.723 | 0.079 |
| Age, yr | 1.050 | 0.995–1.108 | 0.078 | |||
| Sex | ||||||
| Female | 1 | |||||
| Male | 0.918 | 0.234–3.604 | 0.902 | |||
| Body mass index, kg/m2 | 0.846 | 0.749–0.956 | 0.007 | 0.857 | 0.753–0.975 | 0.019 |
| FEV1, % predicted | 0.972 | 0.954–0.990 | 0.002 | 0.979 | 0.960–0.998 | 0.034 |
| Smoking history, pack-yr | 1.008 | 0.987–1.029 | 0.439 | |||
| BODE index | 1.315 | 0.961–1.799 | 0.087 | |||
OR, odds ratio; CI, confidence interval; NLR, neutrophil to lymphocyte ratio; FEV1, forced expiratory volume in 1 second; BODE, body mass index, degree of airway obstruction, dyspnea, and exercise capacity.