Group E Group K p
Max sensorial block level T10 (T12- T8) T10 (T12- T8) 0.945
Duration to reach maximum level (min) 20 (9-30) 20 (9-30) 0.860
Sensorial block duration  (min) 330 (240-420) 330 (210-390) 0.105
Motor block duration (min ) 270 (150-360) 270 (180-330) 0.448
(p >0.05 )
Table 2: Maximum sensorial block level and time to reach nescessary maximum block level. total motor and sensorial block durations ( median;min-maks).