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Table 1 Summary of study populations Mean, standard deviation (SD) and 95 % confidence interval (CI) for age, duration of symptoms and VISA-A-S score for the study populations.

From: Cross-cultural adaptation of the VISA-A questionnaire, an index of clinical severity for patients with Achilles tendinopathy, with reliability, validity and structure evaluations

 

Age (years)

Duration of symptoms (months)

VISA-A-S Score

 

Mean

SD

95% CI

Mean

SD

95% CI

Mean

SD

95% CI

Healthy (n = 15, 3 F, 12 M)

29.5

4.3

27.1 – 31.9

N/A

N/A

N/A

96

4

94 – 99

Reliability Group

Patients (n = 22, 8 F, 14 M)

45.4

15.5

38.6 – 52.3

55.5

134.7

6.3 – 57.4

50

24

40 – 61

Validity Group

Patients (n = 51, 19 F, 32 M)

43.1

14.5

39.0 – 47.2

31.8

90.8

6.3 – 57.4

50

23

44 – 56

  1. (N/A = not applicable, F = females, M = men)