Table 2A) MRI Outcomes
MRI Outcomes
All (n = 364)
RF (n = 313)
Cryo (n = 51)
p value
Pre-LAVI
61.5 +/- 17.8
61.7 +/- 17.5
60.1 +/- 19.4
p =
0.57
Post-LAVI
52.0 +/- 16.2
51.6 +/- 15.6
54.4 +/- 19.7
p =
0.41
LAVI Change
9.5 +/- 11.7
10.1 +/- 11.6
5.7 +/- 11.4
p =
0.01
Baseline Fibrosis
18.8 +/- 7.4
18.5 +/- 7.2
20.8 +/- 8.4
p =
0.08
Fibrosis around RPV
10.6 +/- 8.7
10.6 +/- 8.8
10.8 +/- 8.2
p =
0.87
Fibrosis around LPV
19.7 +/- 8.4
19.8 +/- 8.5
19.3 +/- 8.1
p =
0.65
Fibrosis not around PV
69.7 +/- 8.7
69.6 +/- 8.8
69.9 +/- 8.3
p
= 0.89
Covered Fibrosis
3.5 +/- 2.1
3.6 +/- 2.2
3.0 +/- 1.8
p =
0.04
Non-covered Fibrosis
15.3 +/- 6.6
14.9 +/- 6.3
17.8 +/- 7.8
p = 0.01
Follow Up Ablation scar
8.5 +/- 4.2
8.8 +/- 4.2
6.4 +/- 3.6
p = 0.001
% Scar around RPV
5.2 +/- 8.6
4.6 +/- 7.6
8.5 +/- 12.9
p = 0.04
% Scar around LPV
37.7 +/- 16.3
36.7 +/- 15.4
43.7 +/- 20.0
p = 0.02
% Scar not around PV
57.1+/- 11.5
58.7 +/- 11.4
47.8 +/- 12.2
p = 0.009
Table 2B)
Utah Stage 1 and 2
All (n = 210)
RF (n =
184)
Cryo (n = 26)
p value
Baseline Fibrosis
13.6 +/- 3.7
13.6 +/- 3.7
13.8 +/- 4.0
p =
0.79
Covered Fibrosis
2.7 +/- 1.8
2.7 +/- 1.9
2.3 +/- 1.2
p =
0.10
Non-covered Fibrosis
10.9 +/- 3.6
10.8 +/- 3.6
11.5 +/- 3.8
p =
0.40
Scar
8.6 +/- 4.2
8.9 +/- 4.2
6.7 +/- 3.7
p =
0.008
Utah Stage 3 and 4
All (n = 154)
RF (n =
129)
Cryo (n = 25)
p value
Baseline Fibrosis
26.0 +/- 4.6
25.6 +/- 4.5
28.0 +/- 4.7
p = 0.02
Covered Fibrosis
4.6 +/- 2.0
4.8 +/- 2.0
3.6 +/- 2.1
p =
0.01
Non-covered Fibrosis
21.4 +/- 4.8
20.8 +/- 4.5
24.4 +/- 5.0
p =0.002
Scar
8.2 +/- 4.1
8.6 +/- 4.1
6.1 +/- 3.6
p =
0.003
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