Group A (0-5 cm2) n=374 Group B (5-20 cm2) n=96 Group C(>20 cm2) n=40 P value A vs. B and C P value B vs. C
Number of procedures 1.4±0.3 1.4±0.6 1.6±0.3 0.304 0.116
Initial procedure n=374 n=96 n=40
PVI, n (%) 374 (100) 96 (100) 40 (100) 1.000 1.000
Mitral isthmus, n (%) 31 (8) 12 (13) 3 (8) 0.339 0.396
BOX isolation, n (%) 4 (1) 2 (2) 3 (8) 0.048 0.126
Roof line, n (%) 34 (10) 11 (11) 3 (8) 0.361 0.823
CFAE, n (%) 20 (5) 0 (0) 2 (5) 0.155 0.027
LVA ablation, n (%) 12 (3) 31 (32) 10 (25) <0.001 0.398
Non PV foci, n (%) 2 (1) 1 (1) 2 (5) 0.090 0.152
SVC isolation, n (%) 2 (1) 0 (0) 1 (3) 0.793 0.120
CTI, n (%) 65 (17) 13 (14) 10 (25) 0.255 0.120
Additional procedure n=102 n=35 n=23
Redo PVI, n (%) 66 (65) 25 (71) 7 (30) 0.234 0.002
Mitral isthmus, n (%) 8 (8) 6 (17) 3 (13) 0.048 0.920
BOX isolation, n (%) 5 (5) 2 (6) 5 (22) 0.756 0.011
Roof line, n (%) 10 (10) 5 (14) 3 (13) 0.195 0.546
CFAE, n (%) 7 (7) 1 (3) 1 (4) 0.142 0.761
LVA ablation, n (%) 15 (15) 25 (71) 20 (50) <0.001 0.035
Non PV foci, n (%) 31 (30) 15 (43) 8 (43) 0.215 0.689
SVC isolation, n (%) 27 (26) 1 (3) 1 (3) 0.002 0.326
CTI, n (%) 39 (38) 8 (23) 7 (23) 0.351 0.176