Table 3.

The Association of Increased Eosinophils Measured at Index Hospitalization with the Risk of All-Cause Death Among Patients Hospitalized for AECOPD According to Cox Regression Analysis (N=829)

Variables	Unadjusted HR (95% CI)	P-value	Multi-Adjusted HR (95% CI)	P-value
Age ≥60 years	2.15 (1.33–3.46)	0.002	2.15 (1.34–3.47)	0.002
Eosinophils (≥150 cells/μL)	0.75 (0.58–0.96)	0.025	0.77 (0.60–0.99)	0.040
Charlson Comorbidity Index	1.19 (1.06–1.33)	0.003	1.14 (1.02–1.28)	0.024
Hospitalization for COPD in the previous year	1.39 (1.11–1.74)	0.004	1.39 (1.11–1.74)	0.004

Abbreviations: AECOPD, acute exacerbation of chronic obstructive pulmonary disease; COPD, chronic obstructive pulmonary disease.