Modeling time | Groups | n | Degree of myocardial lesion | Rank | ||||
― | + | ++ | +++ | ++++ | ||||
1 week | Normal control group | 5 | 5 | 0 | 0 | 0 | 0 | 5.5 |
| Sham operation group | 5 | 5 | 0 | 0 | 0 | 0 | 5.5 |
| Model group | 5 | 0 | 1 | 0 | 2 | 2 | 13** |
2 weeks | Normal control group | 5 | 5 | 0 | 0 | 0 | 0 | 5 |
| Sham operation group | 5 | 4 | 1 | 0 | 0 | 0 | 6 |
| Model group | 5 | 0 | 0 | 2 | 2 | 1 | 13** |
4 weeks | Normal control group | 5 | 5 | 0 | 0 | 0 | 0 | 5 |
| Sham operation group | 5 | 4 | 1 | 0 | 0 | 0 | 6 |
| Model group | 5 | 0 | 0 | 2 | 3 | 0 | 13** |