A nationwide cohort study suggests clarithromycin-based therapy for Helicobacter pylori eradication is safe in patients with stable coronary heart disease and subsequent peptic ulcer disease

Table 5 Arrhythmia occurrence during follow-up

	Clarithromycin users (n = 4070)	Nonusers (n = 4070)
Events	791	800
Person-years observed	15,620	15,930
Incidence rate per 1000 person-years	50.7	50.2
Adjusted hazard ratio* (95% CI)	1.00 (0.90–1.10)	1 (reference)

HR hazard ratio, CI confidence interval
*Adjusted for all covariates (age per year, sex, comorbidity, Charlson comorbidity index, number of medical visits, and drugs use) listed in Table 1 and competing mortality

ISSN: 1471-230X