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. Author manuscript; available in PMC: 2015 Nov 23.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2015 Apr 14;8(3):554–561. doi: 10.1161/CIRCEP.115.002721

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.