Differences in voltage parameters between the AF OV, SR BV 600 ms, and SR BV 250 ms maps
| Voltage parameters . | AF OV n = 60 . | SR BV 600 n = 60 . | BV SR 250 n = 60 . | P-value AF OV vs. SR BV 600 . | P-value AF OV vs. SR BV 250 . | P-value SR BV 600 vs. 250 . |
|---|---|---|---|---|---|---|
| Voltage, mV mean ± SD | 0.42 ± 0.15 | 0.60 ± 0.20 | 0.38 ± 0.12 | 0.001 | 0.001 | |
| Proportion of voltage points assigned low voltage, % mean ± SD | 64.3 ± 12.9 | 51.4 ± 10.3 | 59.3 ± 12.1 | 0.002 | 0.09 | 0.01 |
| Proportion of LA area occupied by LVZs, % mean ± SD | 43.4 ± 10.3 | 30.2 ± 14.1 | 40.1 ± 11.5 | 0.001 | 0.12 | 0.01 |
| Voltage difference at co-registered points between AF OV maps and SR BV maps, mV mean ± SD | 0.16 ± 0.03 (AF OV vs. SR BV 600) 0.05 ± 0.04 (AF OV vs. SR BV 250) | 0.13 ± 0.1 (SR BV 600 vs. SR BV 250) | 0.02 | 0.10 | 0.03 | |
| Voltage parameters . | AF OV n = 60 . | SR BV 600 n = 60 . | BV SR 250 n = 60 . | P-value AF OV vs. SR BV 600 . | P-value AF OV vs. SR BV 250 . | P-value SR BV 600 vs. 250 . |
|---|---|---|---|---|---|---|
| Voltage, mV mean ± SD | 0.42 ± 0.15 | 0.60 ± 0.20 | 0.38 ± 0.12 | 0.001 | 0.001 | |
| Proportion of voltage points assigned low voltage, % mean ± SD | 64.3 ± 12.9 | 51.4 ± 10.3 | 59.3 ± 12.1 | 0.002 | 0.09 | 0.01 |
| Proportion of LA area occupied by LVZs, % mean ± SD | 43.4 ± 10.3 | 30.2 ± 14.1 | 40.1 ± 11.5 | 0.001 | 0.12 | 0.01 |
| Voltage difference at co-registered points between AF OV maps and SR BV maps, mV mean ± SD | 0.16 ± 0.03 (AF OV vs. SR BV 600) 0.05 ± 0.04 (AF OV vs. SR BV 250) | 0.13 ± 0.1 (SR BV 600 vs. SR BV 250) | 0.02 | 0.10 | 0.03 | |
AF OV, atrial fibrillation omnipolar voltage; LA, left atrial; SR BV, sinus rhythm bipolar voltage.
Differences in voltage parameters between the AF OV, SR BV 600 ms, and SR BV 250 ms maps
| Voltage parameters . | AF OV n = 60 . | SR BV 600 n = 60 . | BV SR 250 n = 60 . | P-value AF OV vs. SR BV 600 . | P-value AF OV vs. SR BV 250 . | P-value SR BV 600 vs. 250 . |
|---|---|---|---|---|---|---|
| Voltage, mV mean ± SD | 0.42 ± 0.15 | 0.60 ± 0.20 | 0.38 ± 0.12 | 0.001 | 0.001 | |
| Proportion of voltage points assigned low voltage, % mean ± SD | 64.3 ± 12.9 | 51.4 ± 10.3 | 59.3 ± 12.1 | 0.002 | 0.09 | 0.01 |
| Proportion of LA area occupied by LVZs, % mean ± SD | 43.4 ± 10.3 | 30.2 ± 14.1 | 40.1 ± 11.5 | 0.001 | 0.12 | 0.01 |
| Voltage difference at co-registered points between AF OV maps and SR BV maps, mV mean ± SD | 0.16 ± 0.03 (AF OV vs. SR BV 600) 0.05 ± 0.04 (AF OV vs. SR BV 250) | 0.13 ± 0.1 (SR BV 600 vs. SR BV 250) | 0.02 | 0.10 | 0.03 | |
| Voltage parameters . | AF OV n = 60 . | SR BV 600 n = 60 . | BV SR 250 n = 60 . | P-value AF OV vs. SR BV 600 . | P-value AF OV vs. SR BV 250 . | P-value SR BV 600 vs. 250 . |
|---|---|---|---|---|---|---|
| Voltage, mV mean ± SD | 0.42 ± 0.15 | 0.60 ± 0.20 | 0.38 ± 0.12 | 0.001 | 0.001 | |
| Proportion of voltage points assigned low voltage, % mean ± SD | 64.3 ± 12.9 | 51.4 ± 10.3 | 59.3 ± 12.1 | 0.002 | 0.09 | 0.01 |
| Proportion of LA area occupied by LVZs, % mean ± SD | 43.4 ± 10.3 | 30.2 ± 14.1 | 40.1 ± 11.5 | 0.001 | 0.12 | 0.01 |
| Voltage difference at co-registered points between AF OV maps and SR BV maps, mV mean ± SD | 0.16 ± 0.03 (AF OV vs. SR BV 600) 0.05 ± 0.04 (AF OV vs. SR BV 250) | 0.13 ± 0.1 (SR BV 600 vs. SR BV 250) | 0.02 | 0.10 | 0.03 | |
AF OV, atrial fibrillation omnipolar voltage; LA, left atrial; SR BV, sinus rhythm bipolar voltage.
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