. Author manuscript; available in PMC: 2013 Aug 14.

Published in final edited form as: Am J Cardiol. 2008 Jun 26;102(5):568–572. doi: 10.1016/j.amjcard.2008.04.025

Table 2. Multivariable Model for the Prediction of Hospitalization after First Atrial Fibrillation Diagnosis.

	Hazard ratio
Variable	(95% CI)	P-value
Calendar-year of AF diagnosis	1.02 (1.01-1.03)	<0.0001
Age (per 10 years)	1.08 (1.05-1.12)	<0.0001
Male sex	0.98 (0.90-1.07)	0.65
Body mass index (per 5 kg/m²)	1.04 (1.01-1.08)	0.016
Systolic blood pressure (per 5 mmHg)	1.02 (1.01-1.03)	0.003
Paroxysmal AF	1.16 (1.05-1.27)	0.002
Prior myocardial infarction	1.46 (1.33-1.62)	<0.0001
Valvular heart disease	1.43 (1.30-1.57)	<0.0001
Peripheral artery disease	1.27 (1.13-1.44)	<0.001
Carotid artery disease	1.28 (1.06-1.54)	0.010
Stroke history	1.17 (1.02-1.35)	0.026
Systemic hypertension	1.29 (1.14-1.47)	<0.0001
Diabetes mellitus	1.18 (1.06-1.31)	0.002
Chronic renal disease	1.31 (1.17-1.47)	<0.0001
Chronic obstructive pulmonary disease	1.14 (1.04-1.26)	0.008