Table 3.
Clinical Outcomes
| Outcome | Total (n=1185) | Obstructive (n=104) | Nonobstructive (n=1081) | P value | MR (n=278) | No MR (n=907) | P value |
|---|---|---|---|---|---|---|---|
| Composite clinical outcomes | 126 (10.6) | 24 (23.1) | 102 (9.4) | <0.001 | 60 (21.6) | 66 (7.3) | <0.001 |
| Cardiovascular death | 21 (1.8) | 1 (1.0) | 20 (1.9) | 0.512 | 10 (3.6) | 11 (1.2) | 0.008 |
| HF hospitalization | 90 (7.6) | 7 (6.7) | 83 (7.7) | 0.728 | 38 (13.7) | 52 (5.7) | <0.001 |
| MV surgery/septal myectomy | 23 (1.9) | 19 (18.3) | 4 (0.4) | <0.001 | 17 (6.1) | 6 (0.7) | <0.001 |
| Heart transplantation | 6 (0.5) | 0 (0.0) | 6 (0.6) | 0.446 | 2 (0.7) | 4 (0.4) | 0.567 |
| Obstructive (n=104) | Nonobstructive (n=1081) | |||||
|---|---|---|---|---|---|---|
| MR (n=59) | No MR (n=45) | P value | MR (n=219) | No MR (n=862) | P value | |
| Composite clinical outcomes | 16 (27.1) | 8 (17.8) | 0.263 | 44 (20.1) | 58 (6.7) | <0.001 |
| Cardiovascular death | 1 (1.7) | 0 (0.0) | 0.380 | 9 (4.1) | 11 (1.3) | 0.005 |
| HF hospitalization | 4 (6.8) | 3 (6.7) | 0.982 | 34 (15.5) | 49 (5.7) | <0.001 |
| MV surgery/septal myectomy | 13 (22.0) | 6 (13.0) | 0.255 | 4 (1.8) | 0 (0.0) | <0.001 |
| Heart transplantation | 0 (0.0) | 0 (0.0) | … | 2 (0.9) | 4 (0.5) | 0.424 |
Data are given as number (percentage) of each group. HF indicates heart failure; MR, mitral regurgitation; and MV, mitral valve.