Table 4. The incidence of adverse effects.
| Adverse Effect | Group A (Regional Anesthesia) | Group B (Systemic Opioids) | p-value |
| Nausea and Vomiting | 10% | 32% | 0.002 |
| Constipation | 8% | 22% | 0.008 |
| Respiratory Depression | 0% | 6% | 0.032 |
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