Prior VAS (cm)*

VAS after TENS*

Prior n˚. of diclofenac tablets*

N˚. diclofenac tablets after TENS*

PG

8 (7 - 9)

8 (6 - 9)

2 (2 - 3)

2 (2 - 3)

TG

8 (7 - 9)

3 (2 - 4)

2 (2 - 3)

1 (0 - 2)

p (between groups)

p > 0.05

p < 0.01

p > 0.05

p < 0.05