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Sensory block level.
| Group I | Group II | Group III | |
|---|---|---|---|
| Maximum sensory block level | 8.12±2.51 | 7.16±2.43 | 7.28±2.54 |
| Time to onset of maximum sensory block (min) | 18.88±9.28 | 20.04±9.10 | 19.56±7.09 |
| Time to two segment regression (min) | 96.60±14.20* | 111.00±19.84 | 119.20±18.47 |
| Time to reduction to S2 level (min) | 200.20±21.82* | 238 00±25.21 | 246.60±18.69 |
p<0.0001; Group I compared to Group II and Group III
