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Comparison of complication rate between the two groups.
| Group | High potassium | Hypokalemia | Heart failure | Leak occlusion | Complication rate (%) |
|---|---|---|---|---|---|
| The control group (n = 50) | 6 | 3 | 3 | 2 | 0.28 |
| The experimental group (n = 50) | 2 | 1 | 1 | 0 | 0.08 |
| X 2 | 10.4812 | ||||
| P | 0.0012 |
