| 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** |