Table 2.

Hazard ratios (95% confidence intervals) for incident heart failure by year of atrial fibrillation diagnosis

	All heart failure	Heart failure with preserved ejection fraction	Heart failure with reduced ejection fraction
Per year	1.00 (0.98–1.03)	1.00 (0.98–1.03)	1.00 (0.96–1.03)
P time trend*	0.695	0.805	0.919
By year group
2000–2003	1.00 (ref)	1.00 (ref)	1.00 (ref)
2004–2007	1.07 (0.89–1.29)	1.15 (0.90–1.47)	0.96 (0.70–1.32)
2008–2010	0.94 (0.75–1.18)	0.89 (0.65–1.22)	0.96 (0.67–1.39)
2011–2013	1.07 (0.84–1.36)	1.10 (0.80–1.51)	0.93 (0.62–1.40)

Adjusted for age, sex, body mass index, hypertension, diabetes, chronic pulmonary disease, peripheral vascular disease, and renal disease.

^*P time trend is the 1df p-value for year based on the model treating year as a continuous variable.