Table 3 characteristics of spinal block

Onset of sensory blockade (min)

5.01 ± 0.30

3.04 ± 0.15

0.0001

Onset of motor blockade (min)

6.47 ± 4.66

3.81 ± 0.38

0.0028

Duration of surgery (min)

57.16 ± 22.21

59.33 ± 20.79

0.69

Duration of analgesia (min)

194.5 ± 28.5

391.33 ± 33.37

0.0001