Table III.

Prevalence of Atrial Fibrillation and Factors Constituting the CHADS₂-Score and the CHA₂DS₂VASc-Score

Variable	Odds Ratio	95% CI	P Value
>74 years	2.09	2.04–2.15	<0.001
Congestive heart failure	3.42	3.30–3.55	<0.001
Hypertension	0.67	0.65–0.69	<0.001
Diabetes mellitus	1.10	1.07–1.13	<0.001
History of stroke	2.12	2.00–2.24	<0.001
Female sex	0.96	0.93–0.98	<0.001
Vascular disease	1.52	1.48–1.57	<0.001

CHA2DS2VASc-Score = Congestive Heart failure, hypertension, Age 75 years (doubled), Diabetes, Stroke (doubled), Vascular disease, Age 65-74 years, Sex category (female sex); CI = confidence intervals. Other abbreviations as in previous tables.