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