| Parameters |
Group I |
Group II |
Group III |
P Value |
| Onset to T6 (min) |
5.71 ± 0.13 |
5.81 ± 0.13 |
5.82 ± 0.14 |
>0.05 |
| Onset to T4 (min) |
10.27 ± 0.14 |
12.1 ± 0.21 |
15.87 ± 0.15* |
<0.01* |
| Motor Block (min) |
B1 |
1.73 ± 0.05 |
1.8 ± 0.14 |
2.1 ± 0.17 |
>0.05 |
| B2 |
4.68 ± 0.11 |
5.27 ± 0.13* |
5.53 ± 0.09* |
<0.001* |
| B3 |
8.93 ± 0.12* |
9.97 ± 0.12* |
11.37 ± 0.13* |
<0.001* |
| Total Power Regain (min) B0 |
153.67 ± 2.51 |
132.06 ± 1.76* |
121.0 ± 2.11* |
<0.001* |
| Demand of Rescue Analgesia (min) |
133.66 ± 1.89 |
165.00 ± 1.84* |
188.67 ± 1.64* |
<0.001* |
| Maximum Block Height |
T2(T2-T4) |
T4 (T3-T6) |
T5 (T3-T5) |
- |
| Time (min) of Two Segment Regression (T4-T6) |
70 ± 17.94 |
80 ± 18.56 |
86 ± 19.86 |
- |
*P<0.01 **P<0.001 |
