Table 3.
Predictors of immediate success: univariate analysis.
| Variable | Successful PMV (n = 136) | Nonsuccessful PMV (n = 32) | p value |
|---|---|---|---|
| Age – yr – mean ± SD | 43.5 ± 12.8 | 46.2 ± 14 | 0.77 |
| Female gender – no. (%) | 119 (87.5) | 27 (84.3) | 0.80 |
| NYHA FC III-IV – no. (%) | 46 (33.8) | 17 (53.1) | 0.06 |
| Atrial fibrillation – no. (%) | 35 (25.7) | 16 (50) | 0.01 |
| Pre-PMV MVA – cm2 (IQR 25–75%) | 0.88 (0.75–1.02) | 0.90 (0.75–0.97) | 0.71 |
| ES – value (IQR 25–75%) | 7.0 (5.2–8.7) | 8.5 (7.7–10.0) | 0.002 |
| ES > 8 – no. (%) | 37 (27.2) | 15 (46.5) | 0.03 |
| MVC >1 – no. (%) | 96 (70.5) | 30 (93.75) | 0.01 |
| sPAP pre-PMV – mmHg (IQR 25–75%) | 42.5 (34–52) | 38 (34–64) | 0.83 |
| Balloon diameter – mm (IQR 25–75%) | 28 (26–30) | 28 (24–30) | 0.94 |
PMV = percutaneous mitral valvuloplasty; NYHA FC = New York Heart Association Functional Class; MVA = mitral valve area; IQR = interquartile range; ES = echocardiographic score; MVC = mitral valve calcification; sPAP = systolic pulmonary arterial pressure.