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Table 3 Effect sizes and standard deviations for QLQ-C30 change scores with the corresponding SSQ categories

From: Patient self-appraisal of change and minimal clinically important difference on the European organization for the research and treatment of cancer quality of life questionnaire core 30 before and during cancer therapy

QLQ-C30 domain

Clinical service

SSQ rating categories

Very much worse

Moderately worse

A little worse

About the same

A little better

Moderately better

Very much better

Physical function

SCT

−2.1

−0.97

−1.2

−0.4

−1.17

−0.17

0.04

(12.2)

(20.2)

(15.0)

(13.0)

(17.5)

(23.9)

(22.5)

MED/RAD

−1.38

−0.94

−0.42

−0.17

−0.07

−0.02

0.17

(16.5)

(18.6)

(15.5)

(9.5)

(16.4)

(19.5)

(17.9)

Emotional function

SCT

NA

−0.76

−0.03

0.26

0.27

0.63

0.47

 

(13.9)

(13.9)

(15.5)

(13.7)

(23.0)

(20.1)

MED/RAD

−0.86

−0.73

−0.25

0.31

0.44

0.38

0.65

(23.2)

(22.9)

(16.4)

(13.0)

(15.1)

(21.6)

(20.4)

Social function

SCT

−0.69

−0.63

−0.78

−0.08

−0.31

−0.21

0.3

(31.5)

(32.2)

(25.6)

(30.2)

(27.1)

(39.7)

(56.1)

MED/RAD

−0.72

−1.18

−0.4

0.02

−0.08

0.16

0.42

(33.4)

(22.6)

(24.7)

(21.3)

(29.0)

(22.2)

(33.8)

Cognitive function

SCT

−1.61

−0.79

−1.02

−0.06

0.51

−0.73

−0.29

(28.5)

(23.9)

(16.0)

(20.4)

(19.6)

(13.1)

(19.2)

MED/RAD

−0.48

−0.78

−0.51

0.06

0.43

0.13

0.73

(43.9)

(32.6)

(18.3)

(12.5)

(21.6)

(16.5)

(19.5)

Global QOL

SCT

−1.28

−1.43

−1.28

−0.77

−0.8

0.26

0.17

(28.2)

(20.8)

(17.7)

(18.4)

(17.0)

(27.0)

(25.0)

MED/RAD

−0.77

−1.31

−0.76

−0.13

0.22

0.54

0.17

(43.3)

(20.9)

(15.9)

(15.4)

(16.0)

(16.3)

(20.5)