Table 3.
Comparisons Between Ischemic Mitral Regurgitation Group and Control Group at Mid Systole
| IMR Group |
Control Group |
||||
|---|---|---|---|---|---|
| Measurement | Mean | SD | Mean | SD | p Value |
| AP diameter, mm | 32.398 | 4.936 | 30.015 | 2.363 | 0.0210a |
| AL-PM diameter, mm | 35.664 | 4.975 | 35.261 | 2.406 | 0.6844 |
| Tenting height, mm | 9.369 | 2.169 | 8.307 | 1.636 | 0.0891 |
| P1 regional perimeter, mm | 19.576 | 3.157 | 19.835 | 3.114 | 0.8107 |
| P2 regional perimeter, mm | 21.341 | 3.456 | 21.787 | 3.460 | 0.7105 |
| P3 regional perimeter, mm | 20.194 | 3.083 | 20.900 | 3.543 | 0.5626 |
| Posterior perimeter, mm | 61.111 | 9.492 | 62.522 | 9.664 | 0.6740 |
| A1 regional perimeter, mm | 20.075 | 3.539 | 18.670 | 1.913 | 0.0740 |
| A2 regional perimeter, mm | 11.149 | 2.007 | 9.798 | 1.065 | 0.0041a |
| A3 regional perimeter, mm | 21.209 | 4.136 | 19.664 | 2.413 | 0.1091 |
| Anterior perimeter, mm | 52.433 | 8.791 | 48.132 | 4.102 | 0.0176a |
| Total perimeter, mm | 113.544 | 15.416 | 110.655 | 7.983 | 0.3705 |
| P1 regional leaflet area, mm2 | 154.207 | 48.073 | 136.997 | 41.910 | 0.2572 |
| P2 regional leaflet area, mm2 | 237.035 | 78.467 | 216.000 | 82.173 | 0.4631 |
| P3 regional leaflet area, mm2 | 157.709 | 60.205 | 155.306 | 49.938 | 0.8925 |
| Posterior leaflet area, mm2 | 548.950 | 179.190 | 508.304 | 165.200 | 0.4867 |
| A1 regional leaflet area, mm2 | 160.486 | 47.142 | 132.316 | 25.248 | 0.0097a |
| A2 regional leaflet area, mm2 | 272.597 | 83.719 | 242.960 | 52.767 | 0.1493 |
| A3 regional leaflet area, mm2 | 175.544 | 60.801 | 147.937 | 26.060 | 0.0196a |
| Anterior leaflet area, mm2 | 608.627 | 178.557 | 523.214 | 90.463 | 0.0272a |
| Total leaflet area, mm2 | 1,157.577 | 326.740 | 1,031.517 | 211.037 | 0.1247 |
| Commissure width, mm | 26.312 | 3.920 | 26.597 | 3.195 | 0.8032 |
| Commissure path length, mm | 36.422 | 6.579 | 34.912 | 5.385 | 0.4370 |
| P1 regional tenting volume, mm3 | 263.220 | 203.515 | 215.843 | 126.468 | 0.3294 |
| P2 regional tenting volume, mm3 | 463.010 | 478.014 | 472.649 | 326.301 | 0.9364 |
| P3 regional tenting volume, mm3 | 213.345 | 209.152 | 264.493 | 176.082 | 0.4193 |
| Posterior tenting volume, mm3 | 939.575 | 835.136 | 952.985 | 588.992 | 0.9506 |
| A1 regional tenting volume, mm3 | 485.685 | 325.199 | 362.747 | 166.336 | 0.0767 |
| A2 regional tenting volume, mm3 | 1,120.443 | 743.831 | 881.957 | 582.353 | 0.2658 |
| A3 regional tenting volume, mm3 | 467.258 | 400.140 | 278.109 | 173.805 | 0.0163a |
| Anterior tenting volume, mm3 | 2,073.386 | 1,366.984 | 1,522.813 | 862.615 | 0.1042 |
| Total tenting volume, mm3 | 3,012.961 | 2,038.754 | 2,475.798 | 1,388.260 | 0.3043 |
| Nonplanarity angle, degrees | 147.985 | 11.198 | 140.720 | 9.467 | 0.0459a |
| P1 tenting angle, degrees | 40.196 | 8.380 | 37.040 | 8.010 | 0.2705 |
| P2 tenting angle, degrees | 36.710 | 14.060 | 33.071 | 11.295 | 0.3752 |
| P3 tenting angle, degrees | 44.354 | 7.818 | 40.461 | 4.767 | 0.0435a |
| A1 tenting angle, degrees | 27.627 | 6.764 | 25.216 | 6.273 | 0.2836 |
| A2 tenting angle, degrees | 18.881 | 7.677 | 17.720 | 5.011 | 0.5380 |
| A3 tenting angle, degrees | 26.948 | 6.582 | 27.828 | 6.079 | 0.6802 |
a
Indicates statistical significance at 0.05 level.
AL-PM = anterolateral-posteromedial; AP = anteroposterior; IMR = ischemic mitral regurgitation.