Effect of Anemia on Readmission and Death in Octogenarian Patients with Lower Respiratory Tract Infections: A Retrospective Cohort Study

Table 4

Cox’s proportional hazards regression model (enter method): Related factors of death related to LRTIs within 1 year of discharge.

Factor	β	HR (95% CI)	value
Hemoglobin	−0.037	0.964 (0.934–0.994)	0.019
Dementia	−1.232	0.292 (0.129–0.661)	0.003
Age	0.071	1.073 (0.989–1.165)	0.090

HR: hazard ratio, CI: confidence interval.