|
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 |