Table 3

Mortality rate and relative risk of death associated with paroxysmal atrial fibrillation

Age and sex matched Cohort free of AF n = 5000

Paroxysmal AF cohort n = 525

Person-years

14298

1606

Deaths

483

67

Mortality rate/100 person-years (95% CI)

3.38 (3.09–3.69)

4.17 (3.30–5.26)

Relative risk (95% CI)

1

1.2 (1.0–1.6)

Adjusted relative risk*(95% CI)

1

1.0 (0.75–1.3)

*Relative risk estimated by Cox regression model, including age, sex, smoking, heart failure, ischaemic heart disease, hypertension, cerebrovascular disease and diabetes.

Ruigómez et al. BMC Cardiovascular Disorders 2005 5:20   doi:10.1186/1471-2261-5-20