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. 2017 Jan 25;40(6):383–389. doi: 10.1002/clc.22674

Table 1.

Comparison of baseline characteristics of two groups

Variable Group 1, n = 15 Group 2, n = 12 P Value, Significance <0.05
Age, y 64.3 ± 10.4 64.6 ± 7.2 0.94
Male sex 11 (73.3%) 11 (91.7%) 0.34
BMI, kg/m2 29.3 ± 5.7 31.9 ± 5.8 0.25
CHA2DS2VASC 1.9 ± 1.2 2.1 ± 1.8 0.80
Hypertension 11 (73.3%) 7 (58.3%) 0.45
Diabetes mellitus 0 (0%) 1 (8.3%) 0.26
CHF 1 (6.7%) 1 (8.3%) 1.00
CAD 2 (13.3%) 3 (25%) 0.44
OSA 3 (20%) 4 (33.3%) 0.43
AF duration, y 4.7 ± 4.0 4.0 ± 4.0 0.56
Persistent AF 13 (86.7%) 10 (83.3%) 0.81
Long‐standing persistent AF 2 (13.3%) 2 (16.7%) 0.45
LVEF, % 56.9 ± 2.5 48.7 ± 8.7 0.005
LA size, cm 4.8 ± 0.9 4.5 ± 0.7 0.50
Redo procedure 9 (60%) 5 (41.7%) 0.45
Procedure time, min 361 ± 69.2 389 ± 72.6 0.24
Fluoroscopy time, min 57.5 ± 11.8 62.9 ± 10.2 0.23
RF time, min 44.6 ± 15.5 44.4 ± 13.9 0.97
Total no. of rotors 2.7 ± 1.4 3.2 ± 1.0 0.13
Rotors in RA 1 ± 0.7 1.1 ± 1.1 0.94
Rotors in LA 1.7 ± 1.4 2.1 ± 1.0 0.18
Intraprocedure cardioversion 13 (86.7%) 9 (75%) 0.63
Early recurrence 6 (66.7%) 3 (33.3%) 0.68

Abbreviations: AF, atrial fibrillation; BMI, body mass index; CAD, coronary artery disease; CHA2DS2VASC, congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, stroke, vascular disease, age 65–74 years, sex category; CHF, congestive heart failure; LA, left atrium; LVEF, left ventricular ejection fraction; OSA, obstructive sleep apnea; RA, right atrium; RF, radiofrequency.