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Table 2 Statistical indicators of the scores of all subscales of the “QLQ-C30/BR23” questionnaires

From: How breast cancer treatments affect the quality of life of women with non-metastatic breast cancer one year after surgical treatment: a cross-sectional study in Greece

Scales and sub-scales

Items

Mean

SD

Cronbach’s Alpha

EORTC - QLQ-C30

 Physical Function

5

81.2

16.5

0.551

 Role Function

2

71.0

25.8

0.848

 Emotional Function

4

70.0

27.0

0.851

 Cognitive Function

2

86.3

19.7

0.704

 Social Function

2

80.7

25.0

0.824

Overall composite score (functional scales)

 

77.8

16.3

 

 Global Health Status

2

55.4

25.0

0.936

 Fatigue

3

34.1

23.6

0.855

 Nausea and Vomiting

2

8.3

19.4

0.905

 Pain

2

20.9

22.5

0.829

 Dyspnea

 

21.4

26.1

 

 Insomnia

 

26.9

31.8

 

 Appetite Loss

 

13.2

25.9

 

 Constipation

 

15.2

26.9

 

 Diarrhea

 

5.9

17.5

 

 Financial Difficulties

 

24.3

32.5

 

Overall composite score (symptom scales)

 

19.0

17.7

 

EORTC - QLQ-BR23

 Body Image

4

73.7

28.8

0.892

 Sexual Function

2

18.6

24.0

0.896

 Sexual Enjoyment

 

43.8

20.6

 

 Future Perspective

 

56.1

34.7

 

Overall composite score (functional scales)

 

48.0

12.2

 

 Systemic Therapy Side-Effects

7

24.5

20.5

0.819

 Breast Symptoms

4

13.6

20.7

0.872

 Arm Symptoms

3

16.1

19.5

0 .812

 Upset by Hair Loss

 

35.3

25.5

 

Overall composite score (symptom scales)

 

22.4

14.6