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Three-dimensional mapping data of the two approaches
| Antegrade map | Retrograde map | P value | |
|---|---|---|---|
| Acquired points | 158 ± 33 | 175 ± 24 | 0.21 |
| LV volume (cm3) | 150 ± 53 | 165 ± 63 | 0.79 |
| LV surface (cm2) | 151 ± 31 | 151 ± 36 | 0.98 |
| Low-voltage area (cm2) | 30.9 ± 36.0 | 30.3 ± 37.4 | 0.98 |
| Duration of mapping (min) | 24 ± 9.2 | 30 ± 9.1 | 0.16 |
LV, left ventricle.
