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Table 2 Descriptives and reliability statistics

From: Agreement, reliability and validity in 3 shoulder questionnaires in patients with rotator cuff disease

 

Minimum

Maximum

Median

Mean (SD)

IR (%)

ICC (95% CI)

Cronbachs alpha

OSS

15

85

41.7

43.1 (15.4)

7.3

0.83 (0.73 to 0.90)

0.87

SPADI Pain

16

91

58.2

58.9 (17.1)

9.1

0.72 (0.57 to 0.83)

0.74

SPADI Disability

9

85

43.2

44.8 (20.1)

3.6

0.85 (0.76 to 0.91)

0.89

SPADI Total

14

88

49.2

51.4 (17.8)

0.0

0.85 (0.75 to 0.91)

0.91

WORC Physical

21

82

48.9

51.3 (14.9)

3.6

0.78 (0.64 to 0.87)

0.68

WORC Sports

4

86

31.4

34.4 (18.2)

7.2

0.74 (0.59 to 0.84)

0.69

WORC work

3

75

34.0

33.7 (16.7)

5.4

0.75 (0.61 to 0.85)

0.72

WORC lifestyle

10

100 (3.6)

56.1

53.2 (21.5)

7.3

0.82 (0.71 to 0.89)

0.82

WORC emotions

5

98

42.7

47.1 (24.9)

5.5

0.87 (0.81 to 0.93)

0.80

WORC Total

12

77

45.7

44.4 (15.1)

3.6

0.84 (0.75 to 0.91)

0.91

  1. Minimum and maximum scores, median, mean and standard deviations and identical responses on test and retest in percent (IR) of total and domain score for OSS, SPADI and WORC. Reliability statistics estimated by ICC with 95% CI and Cronbachs alpha.
  2. Descriptive data from the first administration of the questionnaires. Retest data is not reported. WORC domain scores presented from 0 (worst possible) to 100 (best possible). The percentage of respondents with maximum score in WORC lifestyle domain is given in parenthesis. 95% CI = 95% confidence interval. SD = standard deviation