Table 3.
Electrophysiological findings in relation to the ascending HFA-PEFF score.
| HFA-PEFF SCORE | 0 | 1 | 2 | 3 | 4 | 5 | 6 | ||
|---|---|---|---|---|---|---|---|---|---|
| ρ | p-Value | ||||||||
| N | 14 | 18 | 25 | 41 | 42 | 21 | 26 | ||
| LA SURFACE AREA, cm2 | 110 ± 35 | 115 ± 19 | 134 ± 26 | 139 ± 39 | 159 ± 44 | 153 ± 32 | 180 ± 46 | 0.490 | <0.001 |
| BIPOLAR VOLTAGE, mV | 2.21 ± 0.95 | 2.13 ± 0.98 | 2.09 ± 1.02 | 1.79 ± 0.80 | 1.43 ± 0.78 | 1.35 ± 0.74 | 0.86 ± 0.42 | −0.454 | <0.001 |
| LVA, N (%) | 3 (21) | 6 (33) | 5 (20) | 19 (46) | 28 (67) | 13 (62) | 23 (88) | 0.418 | <0.001 |
| LVA, cm2 | 21.2 ± 9.9 | 30.7 ± 16.6 | 28.1 ± 12.6 | 27.0 ± 27.5 | 31.9 ± 32.1 | 22.1 ± 26.2 | 35.7 ± 22.2 | 0.070 | 0.527 |
| LVA, % OF LA SURFACE AREA | 15.2 ± 11.2 | 23.2 ± 11.6 | 23.0 ± 11.3 | 17.4 ± 17.1 | 18.7 ± 14.2 | 24.2 ± 19.3 | 23.0 ± 13.5 | 0.101 | 0.358 |
| BIPOLAR VOLTAGE > 0.5 mV, mV | 2.35 ± 0.80 | 2.30 ± 0.75 | 2.21 ± 0.85 | 2.05 ± 0.56 | 1.72 ± 0.56 | 1.67 ± 0.54 | 1.37 ± 0.29 | −0.450 | <0.001 |
Values are given as mean ± standard deviation; LA = left atrial; LVA = low-voltage area. Bold p-values indicate statistically significant differences.