Total studied group n = 100

Test

K

P

Value

B

n = 25

BF

n = 25

BC

n = 25

BN

n = 25

Duration of

analgesia

(min)

Mean ± SD

60.00 ± 11.70

72.60 ± 13.93

238.00 ± 125.79

67.40 ± 15.42

53.42

<0.001HS