Table 2.
Duration of analgesia (min), duration of sensory blockade (min) and duration of motor blockade (min)
| End point | Control group | DexP group | DexIV group | P | post hoc analyses |
|---|---|---|---|---|---|
| Duration of analgesia (min) | 633 ± 127 | 997 ± 243 | 654 ± 159 | < 0.001 | A, C |
| Duration of sensory blockade (min) | |||||
| musculocutaneous nerve | 168 ± 18 | 197 ± 44 | 205 ± 57 | 0.025 | A, B |
| posterior brachial cutaneous nerve | 166 ± 17 | 199 ± 41 | 196 ± 51 | 0.015 | A, B |
| median nerve | 633 ± 127 | 997 ± 244 | 649 ± 164 | < 0.001 | A, C |
| ulnar nerve | 626 ± 122 | 996 ± 242 | 654 ± 159 | < 0.001 | A, C |
| radial nerve | 633 ± 136 | 994 ± 243 | 642 ± 162 | < 0.001 | A, C |
| Duration of motor blockade (min) | |||||
| elbow | 167 ± 17 | 193 ± 43 | 194 ± 42 | 0.034 | A, B |
| wrist | 171 ± 17 | 196 ± 41 | 196 ± 42 | 0.047 | A, B |
Data are presented as mean ± SD, n = 20 for all groups. P < 0.05 considered statistically significant. A: DexP group differs from Control group (P < 0.05). B: DexIV group differs from Control group (P < 0.05). C: DexP group differs from DexIV group (P < 0.05)
Duration of analgesia: Control group vs. DexP group, P < 0.001; Control group vs. DexIV group, P = 0.792; DexP group vs. DexIV group, P < 0.001
Duration of sensory blockade of musculocutaneous nerve (min): Control group vs. DexP group, P = 0.039; Control group vs. DexIV group, P = 0.010; DexP group vs. DexIV group, P = 0.586
Duration of sensory blockade of posterior brachial cutaneous nerve (min): Control group vs. DexP group, P = 0.008; Control group vs. DexIV group, P = 0.018; DexP group vs. DexIV group, P = 0.755
Duration of sensory blockade of median nerve (min): Control group vs. DexP group, P < 0.001; Control group vs. DexIV group, P = 0.792; DexP group vs. DexIV group, P < 0.001
Duration of sensory blockade of ulnar nerve (min): Control group vs. DexP group, P < 0.001; Control group vs. DexIV group, P = 0.628; DexP group vs. DexIV group, P < 0.001
Duration of sensory blockade of radial nerve (min): Control group vs. DexP group, P < 0.001; Control group vs. DexIV group, P = 0.874; DexP group vs. DexIV group, P < 0.001
Duration of motor block of elbow (min): Control group vs. DexP group, P = 0.026; Control group vs. DexIV group, P = 0.022; DexP group vs. DexIV group, P = 0.941
Duration of motor block of wrist (min): Control group vs. DexP group, P = 0.033; Control group vs. DexIV group, P = 0.030; DexP group vs. DexIV group, P = 0.915