| Postoperative NYHA Class | Marginal Homogeneity Test p-Value | ||||||||
1 | 2 | 3 | Total | |||||||
N | % | N | % | N | % | N | % | |||
Preoperative NYHA Class | 1 | 71 | 23.7% | 10 | 3.3% | 10 | 3.3% | 91 | 30.3% | <0.001* |
2 | 52 | 17.3% | 29 | 9.7% | 8 | 2.7% | 89 | 29.7% | ||
3 | 77 | 25.7% | 25 | 8.3% | 5 | 1.7% | 107 | 35.7% | ||
4 | 7 | 2.3% | 5 | 1.7% | 1 | 0.3% | 13 | 4.3% | ||
Total | 207 | 69.0% | 69 | 23.0% | 24 | 8.0% | 300 | 100.0% |