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Table 6 Interscale correlations between EPIC summary scores and subscales and QLQ-PR25 scores (N = 215; T1)

From: Cross-cultural adaptation and validation of the French version of the Expanded Prostate cancer Index Composite questionnaire for health-related quality of life in prostate cancer patients

EPIC

Urinary

Bowel

Sexual

Hormonal

 

Domain

Function

Bother

Irritation Obstruction

Incontinence

Domain

Function

Bother

Domain

Function

Bother

Domain

Function

Bother

QLQ-PR25

 Sexual activity

−0.13

−0.13

−0.12

−0.12

−0.10

−0.09

−0.15

−0.07

−0.48

−0.65

0.17

−0.08

−0.15

−0.05

 Sexual functioning

−0.21

−0.20

−0.20

−0.16

−0.23

−0.25

−0.16

−0.25

−0.62

−0.62

−0.20

−0.15

−0.23

−0.14

 Urinary symptoms

−0.83

−0.62

−0.81

−0.76

−0.59

−0.58

−0.51

−0.48

−0.32

−0.31

−0.06

−0.38

−0.40

−0.34

 Bowel symptoms

−0.44

−0.45

−0.39

−0.34

−0.41

−0.65

−0.54

−0.62

−0.28

−0.23

−0.12

−0.36

−0.28

−0.35

 Hormonal treatment-related symptoms

−0.33

−0.23

−0.37

−0.30

−0.24

−0.33

−0.34

−0.27

−0.40

−0.36

−0.17

−0.52

−0.45

−0.50

 Incontinence aid

−0.66

−0.61

−0.60

−0.30

−0.65

−0.27

−0.38

−0.10

−0.55

−0.43

−0.53

−0.57

−0.58

−0.40

  1. Values in bold correspond to correlation between EPIC domains and subscales and the equivalents scales of the QLQ-PR25. For the QLQ-PR25 a high score indicates a high functional level and a high symptomatic level. For the EPIC questionnaire, a high score indicates a high health-related quality of life level