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Table 3 Comparison of VAS activity pain, DASH scores, and paracetamol intake within and between the groups

From: Does interferential current provide additional benefit to orthopedic rehabilitation for the patients with proximal humeral fractures? A randomized controlled study

VAS activity pain (mean, SD)

IFC group (n = 18)

Sham group (n = 17)

p**

Post-treatment

3.9 ± 1.5

4.7 ± 1.5

 

6th week post-treatment

2 ± 1.7

3 ± 1.5

0.793

18th week post-treatment

0.7 ± 1.1

1.7 ± 1.4

 

p*

< 0.001

< 0.001

 

DASH scores

 Post-treatment

28 ± 11

38.4 ± 17.5

 

 6th week post-treatment

15.3 ± 9.2

23.3 ± 13

0.299

 18th week post-treatment

7.7 ± 7.3

12.5 ± 11.3

 

 p*

< 0.001

< 0.001

 

Paracetamol intake (g/week)

   

 Post-treatment

9.7 ± 7.6

11 ± 9.2

 

 6th week post-treatment

3.7 ± 4.5

6.7 ± 8.2

0.583

 18th week post-treatment

1.2 ± 2.2

4.7 ± 6.7

 

 p*

< 0.001

< 0.001

 
  1. DASH The Disability of the Arm Shoulder and Hand, IFC Interferential current, SD Standard derivation, VAS Visual analog scale
  2. p* Intragroup changes over time
  3. p** Intergroup interaction over time