| Group D (n = 18) | Group M (n = 18) | P value | |
Time taken to achieve OAA/S 3 (min) | 21.3 ± 8.8 | 17.2 ± 9.3 | 0.27 | |
Maximum upper level of sensory blockade (thoracic segments) | 5.3 ± 1.3 | 4.1 ± 1.5 | 0.03 | |
Time to the maximum upper level of sensory blockade (min) | 14.6 ± 3.6 | 13.4 ± 3.9 | 0.38 | |
Time for the two-segment regression of sensory blockade (min) | 91.3 ± 29.5 | 94.4 ± 29.9 | 0.82 | |
Time for regression to the L2 level of sensory blockade (min) | 234.6 ± 78.1 | 172.4 ± 41.5 | 0.008 | |
Time for motor blockade to Bromage 1 (min) | 3.7 ± 0.9 | 3.8 ± 1.6 | 0.95 | |
Time for the regression of motor blockade to Bromage 1 (min) | 232.2 ± 79.3 | 176.5 ± 48.8 | 0.02 |