Table 2. Study data of PV angles.
| PV angle (degree) | Average actual change (degree) | Average relative change (%) | |||
|---|---|---|---|---|---|
| PV angle ① | |||||
| MediGuide group (n=15) | |||||
| M-EM-GEO | 39.4±8.4 | 3.6±2.5 | 10.7±9.5 | ||
| M-IM-GEO | 41.4±11.0 | 6.5±3.5* | 18.1±10.9* | ||
| Conventional group (n=40) | |||||
| C-IM-GEO | 37.9±5.6 | 5.9±1.7† | 16.5±6.5* | ||
| PV angle ② | |||||
| MediGuide group (n=15) | |||||
| M-EM-GEO | 32.0±11.7 | 5.3±2.2 | 16.0±7.2 | ||
| M-IM-GEO | 28.7±9.6 | 9.3±3.1† | 27.6±8.1† | ||
| Conventional group (n=40) | |||||
| C-IM-GEO | 29.9±9.9 | 7.6±2.1† | 24.6±6.7† | ||
| PV angle ③ | |||||
| MediGuide group (n=15) | |||||
| M-EM-GEO | 51.5±6.8 | 2.8±2.7 | 6.1±7.3 | ||
| M-IM-GEO | 51.2±6.8 | 5.5±2.9* | 11.7±7.6* | ||
| Conventional group (n=40) | |||||
| C-IM-GEO | 48.8±9.1 | 6.7±3.2† | 16.0±14.0† | ||
| PV angle ④ | |||||
| MediGuide group (n=15) | |||||
| M-EM-GEO | 29.1±8.5 | 3.2±1.8 | 11.7±7.3 | ||
| M-IM-GEO | 30.7±8.2 | 5.9±2.6† | 21.8±12.1* | ||
| Conventional group (n=40) | |||||
| C-IM-GEO | 27.5±7.6 | 5.6±1.9† | 21.6±8.0† | ||
C-IM-GEO = Conventional group, impedance field-scaled geometry; M-EM-GEO = MediGuide group, electromagnetic field-scaled geometry; M-IM-GEO = MediGuide group, impedance field-scaled geometry; PV = pulmonary vein.
*p<0.05 vs. M-EM-GEO and †p<0.01 vs. M-EM-GEO.