Table 2.
Comparison of visual analog scale
| Group R (n = 30) | Group DR (n = 30) | P value | |
|---|---|---|---|
| T2 | 1.233 ± 1.675 | 1.467 ± 1.717 | 0.9838 |
| T3 | 0.067 ± 0.365 | 0.033 ± 0.183 | > 0.999 |
| T4 | 7.367 ± 1.884 | 4.600 ± 3.001 | < 0.01** |
| T5 | 1.333 ± 1.295 | 1.067 ± 1.856 | 0.9709 |
| T6 | 0.100 ± 0.403 | 0.167 ± 0.648 | > 0.999 |
Values are presented as mean ± standard deviation; R: ropivacaine alone; DR: 1 µg/kg dexmedetomidine plus ropivacaine; T2, at the beginning of surgery; T3, when a small hole was created in the parietal peritoneum; T4, insertion of the PD catheter; T5, tunnel formation; T6, end of surgery; **P < 0.01 versus Group R