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Table 3 Internal consistency and reliability of the EORTC QLQ-BR23

From: The european organization for research and treatment of cancer quality of life questionnaire-BR 23 breast cancer-specific quality of life questionnaire: psychometric properties in a Moroccan sample of breast cancer patients

 

Cronbach’s α

Reliability CCI

Inter-observer

Test-retest

Body image

0,76

0,76

0,85

Sexual functioning

0,76

0,5

0,79

Sexual enjoyment

-

0,24

0,68

Future perspective

-

0,72

0,72

Systemic therapy side effects

0,7

0,87

0,68

Breast symptoms

0,5

0,80

0,79

Arm symptoms

0,63

0,85

0,75

Upset by hair loss

-

0,80

0,79