Table 2.
Difference (95%CI) in P-wave indices by LV fibrosis index deciles
| Model | Per 1 decile of LV fibrosis index | P | |
|---|---|---|---|
| PTFV1, mV*ms | 1 | −0.57(−1.22 to +0.08) | 0.086 |
| 2 | −0.62(−1.23 to +0.03) | 0.061 | |
| 3 | −0.76(−1.42 to −0.09) | 0.025 | |
| P-prime amplitude in V1,µV | 1 | −4.86(−13.46 to +3.73) | 0.264 |
| 2 | −5.68(−14.21 to +2.85) | 0.189 | |
| 3 | −7.12(−15.90 to +1.66) | 0.110 | |
| P-prime duration in V1,ms | 1 | +12.34(+3.91 to +20.77) | 0.005 |
| 2 | +14.39(+6.05 to +22.71) | 0.001 | |
| 3 | +15.34(+6.88 to +23.79) | 0.001 | |
| PR interval,ms | 1 | −1.26(−15.29 to +12.78) | 0.859 |
| 2 | −5.39(−19.05 to +8.28) | 0.435 | |
| 3 | −5.79(−19.39 to +7.79) | 0.398 | |
| Average P-duration,ms | 1 | +4.76(+0.30 to +9.22) | 0.0373 |
| 2 | +5.06(+0.65 to +9.46) | 0.0253 | |
| 3 | +5.42(+0.87 to +9.97) | 0.020 | |
| P-axis,deg | 1 | +6.37(−4.87 to +17.62) | 0.263 |
| 2 | −1.00(−8.19 to +6.19) | 0.782 | |
| 3 | +1.39(−6.21 to +8.99) | 0.716 |
General linear models. Model1 is adjusted for age, race, sex, and body mass index. Model 2 includes variables from Model 1 and LA Volumemax index. Model 3 includes variables from Model 2, and scar and LV mass index.