Table 2:

HR (95% confidence intervals [CI]) for the association of PD compared with no PD (reference group) and risk of AF with test of PD*AF interaction^‡.

Entire Cohort (N=5958)	Incident AF 814(13.7%)	Crude HR	95% CI	P	Adjusted HR*	95% CI	P
Periodontal health (N=1669)	197 (11.8%)	1.0	Ref.	-	1.0	Ref.	-
Mild PD (N=1466)	174 (11.9%)	1.05	0.86-1.29	0.64	0.94	0.76-1.16	0.57
Moderate PD (N=1617)	247 (15.3%)	1.40	1.16-1.69	<0.0001	1.12	0.93-1.36	0.24
Severe PD (N=1206)	196(16.3%)	1.54	1.26-1.87	<0.0001	1.31	1.06-1.62	0.01

^*Adjusted for age≥60, race, sex, hypertension, diabetes, LDL≥100, obesity, smoking, alcohol use, CAD, CHF and education level

^‡Type III p-value for PD*AF interaction was not statistically significant p value 0.11