Outcome measures

Baseline

Week 3

Week 6

p-value^a

NRS

TENS group

Iontophoresis group p-value^b

7.00 ± 1.00

7.20 ± 1.30

1.000^*

4.40 ± 0.89

4.80 ± 1.10

0.762^*

2.00 ± 0.71

2.40 ± 1.14

0.762^*

0.001^*

0.001^*

Goniometry

TENS group

Iontophoresis group

p-value^b

98.60 ± 6.02

101.50 ± 2.78

0.635^*

103.90 ± 6.21

107.10 ± 3.61

0.508^*

108.70 ± 5.48

111.10 ± 2.92

0.286^*

0.001^*

0.001^*

15 mwt

TENS group

Iontophoresis group

p-value^b

30.60 ± 2.70

30.40 ± 1.14

0.825

27.00 ± 3.16

27.20 ± 1.10

0.571

23.60 ± 2.97

23.80 ± 1.30

0.754

0.001^*

0.001^*