TABLE.
Baseline clinical and echocardiographic characteristics stratified by MR severity
| Variable | No MR n= 140 | <Moderate MR n= 588 | ≥Moderate MR n= 168 | P value |
|---|---|---|---|---|
| Age, years | 46±22 | 49 ± 20 | 70 ± 16 | <.001a |
| Sex, Female (%) | 68 | 67 | 47 | <.001b |
| Comorbidity index | 0.50±1.2 | 0.48±0.9 | 0.78±1.1 | <.002b |
| Atrial fibrillation (%) | 6 | 6 | 27 | <.001b |
| Left ventricular EF (%) | 61 ± 8 | 62 ± 7 | 61 ± 1 | >0.5 |
| Anterior leaflet n (%) | 29 (21) | 155(26) | 20 (12) | <.001c |
| Posterior leaflet n (%) | 38 (27) | 163(28) | 72 (43) | <.007b |
| Bileaflet n (%) | 73 (52) | 270(46) | 76 (45) | >0.20 |
a
Statistically significant between ≥moderate MR compared to the others. No MR vs. <moderate MR; P=.04.
b
Statistically significant between ≥moderate MR compared to the others, both <.001.
c
Only statistically significant between ≥moderate MR and <moderate MR