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Postoperative parameters and complications
| Postoperative sufficient analgesic ( no activities/ activities) |
60/55 |
| Postoperative nausea/vomiting | 5/60 |
| RSS | 0.0 |
| Cannula occlusion | 2/60 |
| Cannula slipping | 4/60 |
| Infection at puncture site | 0 |
| Duration of PCA use (h) | 30.5 |
| Nerve injury related complication | 0 |
| Severe intoxication | 3/60 |
| Urinary retention | 0 |
| Patient satisfaction (0~10) | 9.1 |
PCA: Patient Controlled Analgesia
