Group I

N = 30

Group II

N = 30

t-test

p-value

Sensory block

Onset

17.57 ± 6.61

12.91 ± 2.01

6.53

<0.001

Duration

322.36 ± 51.76

571.06 ± 44.54

19.92

<0.001

Motor block

Onset

23.62 ± 3.05

16.87 ± 2.6

9.33

<0.001

Duration

281.83 ± 56.51

535.73±

20.7

<0.001

Duration of analgesia

371.50 ± 47.13

692.32 ± 83.58

18.37

<0.001