Table 4. Showing univariate comparison of long-term outcomes between Group I (PG <20 mmHg, N=358) and II (PG ≥20 mmHg, N=113).
| Follow-up characteristic | Group I (%) | Group II (%) | P valve |
|---|---|---|---|
| Period of TTE follow-up | 55.0±39.0 mths | 44.9±35.3 mths | 0.001 |
| Late overall mortality | 34 (9.4) | 10 (8.8) | 1.0 |
| Cardiac-related mortality | 20 (5.5) | 6 (5.3) | 1.0 |
| NYHA | |||
| Class I/II | 348 (97.2) | 108 (95.5) | 0.21 |
| Class III/IV | 10 (2.7) | 5 (4.4) | - |
| Complications | |||
| Atrial fibrillation | 22 (6.1) | 4 (3.5) | 0.35 |
| PPM | 15 (4.1) | 6 (5.3) | 0.60 |
| CVA | 11 (3.0) | 2 (1.7) | 0.74 |
| Endocarditis | 3 (0.8) | 1 (0.8) | 1.0 |
| Aortic insufficiency at last follow-up | |||
| Grade 0/1+ | 281 (78.4) | 82 (72.5) | 0.20 |
| Grade ≥2+ | 77 (21.5) | 31 (27.4) | - |
| Cardiac re-operation | 29 (8.1) | 10 (8.8) | 0.84 |
| AV re-operation | 18 (5.0) | 10 (8.8) | 0.16 |
| Early | 5 (1.3) | 2 (1.7) | 0.67 |
| Late | 13 (3.6) | 8 (7.0) | 0.12 |
| Peak aortic valve gradient | 15.4±8.5 mmHg | 24.8±10.6 mmHg | 0.0002 |
| Mean aortic valve gradient | 12.0±11.9 mmHg | 16.8±11.1 mmHg | 0.04 |
TTE, trans-thoracic echocardiogram; NYHA, New York Heart Association Classification; PPM, permanent pacemaker; CVA, cerebro-vascular accident; AV, aortic valve