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Primary Outcome need for rescue analgesics during the first 24 hours
| Lidocaine (n = 30) | Levo-bupivacaine (n = 30) | Placebo (n = 30) | |
| Paracetamol | 15 | 4 | 12 |
| Detropropoxyphene | 6 | 5 | 5 |
| No analgesia | 9 * | 21 | 13 |
Number of patients in each group
p < 0.05 as compared to the levo-bupivacaine group only
