Table 5 Postoperative pain scores
Variables | Timepoints | 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) | P value |
|---|---|---|---|---|---|---|---|
Pain at rest | H1 | 3.5 ± 1.1 | 2.2 ± 0.8 | 2.0 ± 0.6 | 1.9 ± 0.6 | 2.0 ± 0.8 | 0.005 |
H6 | 3.0 ± 1.1 | 2.6 ± 1.1 | 2.0 ± 0.7 | 1.8 ± 0.7 | 1.9 ± 0.7 | 0.013 | |
H12 | 3.0 ± 1.3 | 2.6 ± 0.9 | 2.6 ± 0.8 | 1.6 ± 1.1 | 1.8 ± 0.6 | 0.007 | |
H24 | 2.8 ± 1.1 | 2.7 ± 1.2 | 2.7 ± 1.0 | 2.4 ± 0.8 | 2.5 ± 0.9 | 0.621 | |
Pain with movement | H1 | 5.1 ± 1.4 | 4.3 ± 1.1 | 3.9 ± 1.6 | 3.1 ± 1.2 | 3.0 ± 1.1 | 0.001 |
H6 | 4.8 ± 1.0 | 4.2 ± 1.8 | 3.8 ± 1.5 | 3.0 ± 1.1 | 3.1 ± 1.0 | 0.013 | |
H12 | 4.5 ± 1.2 | 4.3 ± 1.1 | 4.0 ± 1.1 | 3.2 ± 1.6 | 3.0 ± 1.5 | 0.021 | |
H24 | 4.1 ± 1.4 | 3.9 ± 1.1 | 4.0 ± 1.4 | 3.9 ± 1.5 | 3.9 ± 1.1 | 0.653 |