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Table 4 Comparison between three groups regarding HGS

From: Comparative effectiveness of extracorporeal shock wave therapy, local corticosteroid injection, and conventional physiotherapy in treatment of chronic lateral epicondylitis

Hand grip strength (HGS)

Corticosteroid

Shock wave

Physiotherapy

p value

No. = 15

No. = 15

No. = 15

Before

Mean ± SD

12.47 ± 4.85

14.93 ± 6.33

11.40 ± 3.92

0.167

After 4 weeks

Mean ± SD

29.87 ± 7.58

30.13 ± 9.40

28.13 ± 11.19

0.823

After12 weeks

Mean ± SD

34.00 ± 14.58

44.93 ± 13.20

34.80 ± 11.83

0.052

Repeated measure ANOVA test

44.171

77.531

59.574

 

p value

0.000

0.000

0.000

Mean difference

4 weeks

17.40 ± 5.65

15.20 ± 7.35

16.73 ± 8.99

0.712

12 weeks

21.53 ± 12.17

30.0 ± 12.55

23.40 ± 10.51

0.130

  1. p value > 0.05, non significant (NS); p value ≤ 0.05, significant (S)