| | Group | Survival rate | | Significant difference |
| | (1 mA, 10 kHz, 12 h) | 99.8% | 0.820 | Not significant | | (1 mA, 1 MHz, 12 h) | 100.1% | 0.345 | Not significant | | (1 mA, 1 MHz, 24 h) | 98.7% | 0.234 | Not significant | | (4 mA, 10 kHz, 12 h) | 98.9% | 0.428 | Not significant | | (4 mA, 1 MHz, 12 h) | 97.0% | 0.344 | Not significant | | (4 mA, 1 MHz, 24 h) | 94.9% | 0.296 | Not significant | | (1 V, 10 kHz, 12 h) | 99.1% | 0.324 | Not significant | | (1 V, 1 MHz, 12 h) | 98.5% | 0.299 | Not significant | | (1 V, 1 MHz, 24 h) | 98.6% | 0.296 | Not significant | | (6 V, 10 kHz, 12 h) | 93.1% | 0.145 | Not significant | | (6 V, 1 MHz, 12 h) | 92.5 % | 0.096 | Not significant | | (6 V, 1 MHz, 24 h) | 91.6% | 0.077 | Not significant |
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