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Patient characteristics, surgical and epidural data*
| Group G | Group E | |
|---|---|---|
| Age (yr) | 51.6±7.1 | 49.8±8.9 |
| Weight (kg) | 63.8±7.0 | 62.1±7.1 |
| Sex (M/F) | 10/5 | 9/5 |
| Oral/Hypopharyngeal/Laryngeal cancer | 4/9/2 | 5/8/1 |
| Duration of surgery (h) | 5.96±0.51 | 6.06±0.94 |
| Ropivacaine used (mg) | Not applicable | 87.13±9.28 |
*Data expressed as mean±SD and n. No significant difference observed between the two groups
