Evolution of the patients’ functional status by New York Heart Association functional class
| Time point | Trimetazidine group | Control group | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | Total | I | II | III | IV | Total | |
| Baseline | 0 | 11 | 17 | 2 | 30 | 0 | 10 | 18 | 3 | 31 |
| 6 months | 1 | 11 | 16 | 2 | 30 | 0 | 10 | 17 | 4 | 31 |
| 12 months | 4 | 20 | 4 | 0 | 28 | 0 | 2 | 23 | 4 | 29 |
| 18 month | 4 | 21 | 1 | 0 | 26 | 0 | 1 | 24 | 3 | 28 |