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The score of arrhythmia (mean ± standard deviation).
| Groups | No. of cases | Arrhythmia score |
|---|---|---|
| Blank | 12 | 0 |
| Sham operation | 12 | 0 |
| Ischemia reperfusion | 12 | 4.2±1.5a |
| Simvastatin | 12 | 3.1±2.3b |
P<0.001, compared with the blank and sham operation groups.
P=0.033, compared with the ischemia-reperfusion group.
