Table 2.

Predictors of recurrence of AF

Covariate	HR (95% CI)	p Value
Electrical cardioversion	1.72 (1.04–2.84)	0.0354
Time since first AF diagnosis (yrs)	0.98 (0.92–1.04)	0.501
Hypertension	1.75 (1.04–2.95)	0.036
Duration of current AF episode (yrs)	1.06 (1.01–1.12)	0.018
Amiodarone	1.16 (0.66–2.05)	0.602
Class IC	1.26 (0.72–2.20)	0.416
Previous AF ablation	1.12 (0.53–2.36)	0.764
Age	1.000 (0.980–1.021)	0.989
Gender	0.96 (0.58–1.58)	0.867
Final dofetilide dose	1.000 (0.998–1.002)	0.982
Baseline QTc	1.000 (0.993–1.007)	0.972
Type 2 diabetes mellitus	0.62 (0.19–1.98)	0.419
Dyslipidemia	1.10 (0.65–1.87)	0.717
Obesity	1.22 (0.64–2.35)	0.542