| aNYHA Class | Groups | ||
| Group A (n1 = 33) f (%) | Group B (n2 = 33) f (%) | p-Value | |
| I | 4 (12.12) | 2 (6.6) | 0.307 ns |
| II | 20 (60.6) | 18 (54.54) | |
| III | 7 (21.2) | 7 (21.2) | |
| IV | 2 (6.1) | 6 (18.2) | |