A nationwide population-based cohort study to identify the correlation between heart failure and the subsequent risk of herpes zoster

Table 2 Hazard ratios (HRs) of Herpes Zoster among heart failure patients during the 1-year follow-up period from the index ambulatory visits or inpatient care from 2001 to 2009

	Total		Patients with heart failure		Patients without heart failure
Development of Herpes Zoster	NO.	(%)	NO.	(%)	NO.	(%)
1-year follow-up period
Yes	211	1.1	83	1.7	128	0.9
No	18929	98.9	4702	98.3	14227	99.1
Crude HR (95% CI)				1.96 (1.49-2.59)*	1
Adjusted HR (95% CI)				2.07 (1.54-2.78)*	1

Total sample number =19140.
Both crude and adjusted HRs were calculated by Cox proportional hazard regressions.
Adjustments are made for patients’ Sex, Age, Urbanization level, Geographic region, Monthly income, Hypertension, Hyperlipidemia, Diabetes, and Chronic obstructive pulmonary disease.
*Indicates p < 0.001.

ISSN: 1471-2334