Table 1 Patient characteristics
Variables | Control group (n = 24) | Ropivacaine group (n = 23) | Low DEX + ropivacaine group (n = 24) | Medium DEX + ropivacaine group (n = 25) | High DEX + ropivacaine group (n = 24) |
|---|---|---|---|---|---|
Age (years) | 39 ± 8 | 38 ± 8 | 38 ± 7 | 38 ± 7 | 39 ± 9 |
Body mass index (kg/m2) | 25 ± 5 | 25 ± 4 | 26 ± 5 | 26 ± 5 | 25 ± 4 |
ASA class (n, %) | |||||
 I | 22 (92%) | 22 (96%) | 22 (92%) | 24 (96%) | 23 (96%) |
 II | 2 (8%) | 1 (4%) | 2 (8%) | 1 (4%) | 1 (4%) |
Operation duration (min) | 75 ± 16 | 81 ± 19 | 81 ± 17 | 76 ± 18 | 79 ± 17 |