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| Grade | I-II | III-IV | p-value* |
|---|---|---|---|
| Total | 11 | 20 | |
| Success | 0.452 | ||
| No | 3 | 9 | |
| Yes | 8 | 11 | |
| Complication | 0.809 | ||
| No | 6 | 10 | |
| Yes | 5 | 10 | |
| Additional hemostatic procedures | 0.638 | ||
| No | 8 | 17 | |
| Yes | 3 | 3 | |
| Blood transfusion | 0.429 | ||
| No | 9 | 13 | |
| Yes | 2 | 7 |
* Chi-Square test or Fisher's exact test
