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Table 3 Cronbach’s alpha values, in case a specific item was deleted

From: Cross cultural adaptation of the English version of the IOF-QLQ to Polish, to assess the health-related quality-of-life of patients after a distal radius fracture

Question number

“Upper limb symptoms” domain

“Physical function” domain

Whole questionnaire

Cronbach’s alpha value if all intended items present in domain/questionnaire

-

0.86

0.79

0.89

Cronbach’s alpha value in case a specific item was deleted from the domain/questionnaire

1

-

-

0.80

2

0.80

-

0.83

3

0.77

-

0.79

4

0.81

-

0.84

5

-

0.76

0.87

6

-

0.67

0.79

7

-

0.72

0.84

8

-

0.71

0.83

9

-

0.75

0.87

10

-

0.72

0.84

11

-

0.74

0.85

12

-

-

0.82