Table 2 Comparison of changes in circumference, volume, pain and disability within and between groups

Circumference at wrist (cm)

Control

17.70 (14.80 to 28.80)

17.80 (14.90 to 20.30)

0.1 (-10.80 to 1.4)

0.97

0.062

Faradic

17.60 (15.30 to 25.30)

16.70 (14.90 to 19.20)

-0.6 (-6.9 to 0.5)

0.009

Ultrasound

17.80 (15.90 to 21.50)

17.30 (15.90 to 19.10)

-1 (-3.8 to 0.2)

0.014

Circumference at middle of forearm (cm)

Control

26.40 (20.70 to 31.40)

25.50 (20.20 to 29.80)

-1.2 (-3.2 to 0.7)

0.005

0.12

Faradic

25.30 (18.70 to 37)

24.25 (18.80 to 28.50)

-1.9 ( -8.5 to 2.7)

0.019

Ultrasound

27.20 (22.40 to35.30)

23.90 (21.80 to 28.30)

-2.5 (-9 to 0.5)

0.004

Circumference at elbow (cm)

Control

27.00 (22.30 to 31.80)

26.10 (21.70 to 31.50)

-1.3 (-3.1 to 1.3)

0.021

0.215

Faradic

26.20 (21.00 to 36.00)

25.30 (21.00 to 30.50)

-0.7 (-6.1 to 1.2)

0.01

Ultrasound

29.80 (24.80 to 38.10)

27.80 (22.90 to 30.50)

-2.4 (-7.6 to 0.5)

0.016

Circumference at middle of arm (cm)

Control

30.20 (25.80 to 34.90)

28.70 (25.30 to 34.30)

-0.8 (-2.4 to 0.7)

0.019

0.333

Faradic

31.80 (23.40 to 49.00)

30.20 (23.40 to 34.20)

-1 (-14.8 to 0.0)

0.003

Ultrasound

33.00 (27.80 to 43.90)

30.90 (24.00 to 36.20)

-2 (-10.50 to 0.5)

.0.028

Circumference at 65% of distance from olecranon to acromion (cm)

Control

32.20 (26.50 to 35.90)

31.8 (26.70 to 35.30)

-0.1 (-1.3 to -1.4)

0.455

0.31

Faradic

32.70 (24.80 to 36.30)

32.10 (24.20 to 35.30)

-0.6 (-1.7 to 0.9)

0.023

Ultrasound

32.30 (28.40 to 40.60)

31.80 (22.50 to 35.8)

0.0 ( -10.5 to 1.5)

0.373

Volume difference (ml)

Control

690 (0 to 1170)

570 (0 to 990)

-120 (-210 to 0.00)

0.002

0.005

Faradic

450 (150 to 3570)

270 (60 to 1320)

-210 (-2250 to -60)

0.001

Ultrasound

780 (60 to 2370)

540 (60 to 840)

-270 (-1770 to 30)

0.004

Pain intensity (score)

Control

10 (8 to10)

7 (6 to 8)

-3 (-4 to -2)

0.001

0.001

Faradic

10 (8 to 10)

2 (2 to 4)

-8 ( -8 to -6)

0.001

Ultrasound

10 (8 to 10)

2 (1 to 4)

-8 (-9 to -6)

0.003

Functional disability (score)

Control

83.33 (66.67 to 91.67)

58.33 (50 to 79.17)

-18.33 (-25 to -12.50)

0.001

0.001

Faradic

83.33 (58.33 to 91.67)

25.83 (16.67 to 35)

-56.66 (-62.5 to -33.33)

0.001

Ultrasound

83.33 (75 to 100)

25 (19.17 to 43.33)

-56.6 (-60.83 to -51.67)

0.003