Table 2.
Procedure times evaluated for the mean achieved Lesion Index and average power subgroups
| Procedure detail | Low-LSI subjects (n = 67) | High-LSI subjects (n = 70) | P value | Standard-power subjects (n = 67) | High-power subjects (n = 70) | P value | All subjects (n = 137) |
|---|---|---|---|---|---|---|---|
| Total RF time for initial PV isolation in minutes | 23.1 ± 10.4 (67) | 15.9 ± 5.5 (70) | <.0001 | 22.7 ± 10.5 (67) | 16.2 ± 5.9 (70) | <.0001 | 19.4 ± 9.0 (137) |
| Total RF time for entire procedure in minutes | 26.2 ± 11.6 (67) | 18.3 ± 7.2 (70) | <.0001 | 25.5 ± 11.3 (67) | 18.9 ± 8.2 (70) | .0002 | 22.1 ± 10.3 (137) |
| Total procedure time in minutes | 153.1 ± 55.8 (67) | 134.6 ± 50.0 (70) | .0432 | 153.2 ± 52.8 (67) | 134.5 ± 53.0 (70) | .0407 | 143.7 ± 53.5 (137) |
| Total fluoroscopy time in minutes | 30.5 ± 23.0 (65) | 16.1 ± 13.1 (56) | <.0001 | 32.2 ± 22.9 (65) | 14.1 ± 10.6 (56) | <.0001 | 23.8 ± 20.3 (121) |
Data are presented as mean ± SD (n).
LSI = Lesion Index; PV = pulmonary vein; RF = radiofrequency.