Table 1.

Baseline Characteristics

	All Patients, n=24	Acute Procedural Success, n=12	No Acute Procedural Success n=12	P Value
Age	64±10	66±11	61±10	0.33
Male, sex (%)	14 (61)	9 (75)	5 (42)	0.11
Paroxysmal pattern of AF (%)	12 (50)	6 (50)	6 (50)	1.00
AF duration (years from diagnosis)	7.8±5.5	9.0±4.3	6.5±6.5	0.28
Previous AF ablation (%)	15 (63)	8 (67)	7 (58)	0.69
No. of previous AF ablations	1.2±1.1	1.4±1.3	0.9±0.9	0.29
No. of failed antiarrhythmic drugs	1.7±1.0	1.5±0.9	1.8±1.0	0.41
CHA2DS2-VaSC score	1.7±1.0	1.8±1.1	1.6±1.0	0.57
LVEF, %	63±6.9	64±5.7	61±8.0	0.31
LA volume on MRI, mL	76±32	79±31	73±33	0.64

Values are n (%) or mean±SD. AF indicates atrial fibrillation; CHA2DS2-VASc, combined stroke risk score: congestive heart failure, hypertension, age ≥65 or 75 years, diabetes, prior stroke/transient ischemic attack, vascular disease, female sex; LA, left atrium; LVEF, left ventricular ejection fraction; and MRI, magnetic resonance imaging.