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Clinical success rate.
| Initial drainage | Rate |
|---|---|
| External drainage | 91.7% (33/36) |
| Internal drainage | 78.9% (15/19) |
| Internal and external drainage | 66.7% (2/3) |
| Puncture and aspiration only | 66.7% (6/9)* |
|
| |
| Total | 83.4% (56/67) |
*8 cases (internal or external drainage failed) were included.
