Table 3 Sensory and motor block characteristics
6 mg Levobupivacaine (n = 32) | 8 mg Levobupivacaine (n = 30) | P value | |
|---|---|---|---|
Maximal sensory block height (n) | |||
T1 dermatome | 27 | 23 | .999 |
T2 dermatome | 2 | 0 | .999 |
C8 dermatome | 3 | 7 | .999 |
Onset time of sensory block (min) | 3.2 ± 1.4 | 2.8 ± .9 | .841 |
Offset time of sensory block (min) | 157.2 ± 42 | 163.6 ± 33 | .735 |
Regression time of 2 dermatomes (min) | 62.4 ± 20 | 58 ± 14 | .547 |
Motor block | |||
Bromage score 0 (n,%) | 23 (71.9%) | 6 (18.7%) | .001 |
Bromage score 1 (n, %) | 4 (12.5%) | 7 (23.3%) | |
Bromage score 2 (n, %) | 5 (15.6%) | 14 (46.7%) | |
Bromage score 3 (n, %) | 0 (0%) | 3 (10%) | |
Onset time of motor block (min) | 1.2 ± .4 | 1.9 ± 1.6 | .228 |
Offset time of motor block (min) | 60 ± 18 | 57 ± 7 | .556 |