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Adverse effects/complications distribution per group.
| Group EA (Control group) n=24 | Group IA n=24 | Group FNB n=24 | Total n=72 | |
|---|---|---|---|---|
| Dizziness | 2 | 0 | 0 | 2 |
| Headache | 0 | 0 | 1 | 1 |
| Bradycardia | 0 | 0 | 1 | 1 |
| Hypotension | 1 | 0 | 0 | 1 |
| Insomnia | 3 | 2 | 1 | 6 |
| Motor blockade | 0 | 0 | 1 | 1 |
| Nausea | 1 | 1 | 0 | 2 |
| Numbness | 1 | 0 | 1 | 2 |
| Paresthesia | 0 | 0 | 1 | 1 |
| Diplopia | 0 | 0 | 1 | 1 |
| Infection | 1 | 0 | 2 | 3 |
| Total | 9 | 3 | 9 | p<0.001 |
EA: epidural analgesia; IA: intra-articular analgesia; FNB: femoral nerve block.
