Table 2.

One-year cumulative incidences and hazard ratios on the impact of BMI regarding recurrent AF in two time periods

	2010–14				2015–18
	Cumulative incidence (%)	HR	95% CI	P-value	Cumulative incidence (%)	HR	95% CI	P-value
BMI 18.5–24.9	47	1 (Reference)			32	1 (Reference)
BMI 25.0–29.9	52	1.16	(1.04–1.29)	0.007	37	1.21	(1.08–1.35)	0.001
BMI 30.0–35.0	54	1.23	(1.08–1.41)	0.002	38	1.20	(1.05–1.37)	0.009
BMI > 35.0	61	1.43	(1.20–1.71)	<0.001	39	1.20	(1.00–1.43)	0.05

AF, atrial fibrillation; BMI, body mass index; ; CI, confidence interval; HR, hazard ratio.