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Table 4 Results of the disabilities of the arm, shoulder and hand (DASH) disability/symptoms scale shown as scores, effect size (ES) and standardized response mean (SRM)

From: The disabilities of the arm, shoulder and hand (DASH) outcome questionnaire: longitudinal construct validity and measuring self-rated health change after surgery

Population

Preoperative*

Postoperative*

Change

ES

SRM

 

mean (SD)

median

mean (SD)

median

mean (SD)

median

  

Total population (n = 109)

35 (22)

36

24 (23)

16

11 (17)

8

0.5

0.6

     

15 (13)

12

0.7

1.2

Arthroscopic acromioplasty (n = 25)

43 (13)

45

32 (25)

24

11 (23)

6

0.9

0.5

Carpal tunnel release (n = 19)

41 (20)

40

28 (26)

15

13 (14)

10

0.7

1.0

Dropouts (n = 9)

24 (18)

28

      
  1. *Higher score (0–100) indicates greater disability All changes in scores (improvement or worsening) calculated as having the same direction (to assess longitudinal validity of the DASH as opposed to assessing treatment effectiveness)