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Incidence of mortality in the control, untreated MI, and pre-treated MI groups.
| Control | Untreated MI | Lipoic acid | Zinc | Clopidogrel | |
| Total number of rats | 25 | 25 | 25 | 25 | 25 |
| Number of dead rats | 0 | 9a | 1b | 1b | 0b |
| Percent ratio of mortality | 0% | 36% | 4% | 4% | 0% |
MI, myocardial infarction. aSignificance of differences from control group calculated by χ2-test at p < 0.05. bSignificance of differences from MI group calculated by χ2-test at p < 0.05.
