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Table 3 Mean scores before the first course of chemotherapy, changes of scores between the first and the fourth courses of responsiveness statistics in patients who perceived improved health (n = 17)

From: Responsiveness of EORTC QLQ-C30, QLQ-CR38 and FACT-C quality of life questionnaires in patients with colorectal cancer

Ā 

n

Score before 1stchemother.Mean (SD a)

Difference

Mean

(SD a)

Pb

SRMc (CI 95%)

ESd (CI 95%)

EORTC QLQ-C30:

Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒ Functional scalese :

Ā Ā Ā Ā Ā Ā 

Physical function

16

67.8 (30.2)

+14.9 (22.5)

0.02

0.64 (0.19;1.08)

0.48 (0.14;0.86)

Role function

16

55.9 (39.1)

+21.9 (16.7)

0.03

0.60 (0.08;1.13)

0.56 (0.10;1.07)

Emotional function

17

69.6 (16.1)

+16.2 (16.7)

0.003

0.84 (0.28;1.54)

1.00 (0.35;1.68)

Cognitive function

17

77.5 (20.4)

+10.8 (16.6)

0.02

0.64 (0.16;1.29)

0.52 (0.14;1.09)

Social function

17

62.7 (34.1)

+13.7 (38.3)

0.16

0.35 (-0.17;0.88)

0.40 (-0.20;0.89)

Global QoL/GHS

17

54.9 (20)

+14.2 (14.7)

0.001

0.96 (0.38;1.67)

0.71 (-0.23;1.44)

ā€ƒā€ƒā€ƒ Symptom scalesf :

Ā Ā Ā Ā Ā Ā 

Fatigue

16

42.8 (27.9)

-16.3 (25.8)

0.02

- 0.63 (-1.07;-0.19)

- 0.58 (-1.13;-0.15)

Pain

17

28.4 (31)

-17.6 (37.5)

0.07

- 0.47 (-0.90;-0.09)

- 0.56 (-1.07;-0.05)

Nausea and vomiting

16

12.7 (22.5)

-6.2 (21.8)

0.27

- 0.28 (-0.69;0.28)

- 0.27 (-0.66;0.25)

ā€ƒā€ƒā€ƒ Single itemsf :

Ā Ā Ā Ā Ā Ā 

Dyspnoea

16

21.6 (26.2)

-8.3 (25.8)

0.22

- 0.32 (-1.05;0.65)

- 0.31 (-0.89;0.17)

Sleep disturbance

16

45.1 (31)

-12.5 (38.2)

0.21

- 0.32 (-0.86;0.19)

- 0.40 (-0.98;0.38)

Appetite loss

16

29.4 (30.9)

-12.5 (26.9)

0.08

- 0.46 (-0.93;0.01)

- 0.40 (-0.87;0.08)

Diarrhoea

17

19.6 (23.7)

+3.9 (33.1)

0.63

0.11 (-0.38;0.64)

0.16 (-0.41;1.17)

Constipation

17

17.6 (29.1)

-5.9 (27.0)

0.38

- 0.21 (-0.75;0.31)

- 0.20 (-0.67;0.31)

Financial impact

17

5.9 (17.6)

+3.9 (11.1)

0.16

0.35 (0.11;0.57)

0.22 (-0.05;0.49)

EORTC QLQ-CR38:

Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒ Functional scalese:

Ā Ā Ā Ā Ā Ā 

Body image

16

81.7 (28)

+3.8 (14.2)

0.30

0.27 (-0.33;0.69)

0.13 (-0.13;0.37)

Future perspective

16

45.1 (28.7)

+22.9 (31.5)

0.01

0.70 (0.27;1.27)

0.79 (0.27;1.38)

Sexual functioning

14

20.2 (20.9)

+5.9 (16.8)

0.21

0.37 (-0.28;0.86)

0.28 (-0.15;0.83)

Sexual enjoyment

7

54.2 (43.4)

+9.5 (41.8)

0.57

0.23 (-0.56;1.28)

0.21 (-0.73;0.91)

ā€ƒā€ƒā€ƒ Symptom scalesf :

Ā Ā Ā Ā Ā Ā 

Radiation-induced effects micturition

16

23.5 (15.2)

+4.8 (15.7)

0.23

0.30 (-0.23;0.91)

0.32 (-0.23;0.89)

Chemotherapy side effects

16

18.6 (19.5)

+4.2 (18.4)

0.38

0.23 (-0.30;1.1)

0.21 (-0.77;0.92)

General Gastrointestinal symptoms

16

23.0 (12)

-7.0 (14.3)

0.07

-0.49 (-1.38;0.11)

- 0.58 (-1.45;0.17)

Defecation problems

13

15.4 (11.5)

-1.8 (8.2)

0.43

-0.22 (-1.10;0.41)

- 0.16 (-0.65;0.32)

Stoma-related problems

4

31.0 (21.5)

-1.2 (13.7)

0.87

-0.10 (-1.15;1.02)

- 0.05 (-1.96;2.43)

Sexual dysfunction of men

8

43.8 (41.7)

-2.1 (35.0)

0.87

-0.06 (-1.43;0.82)

- 0.04 (0.84;0.64)

Sexual dysfunction of women

2

8.3 (11.8)

-8.3 (11.8)

0.50

-0.70 (-1.44;-0.31)

-0.70 (-1.44;-0.31)

Weight loss

16

25.5 (34.4)

-22.9 (33.8)

0.02

-0.67 (-1.01;-0.35)

- 0.66 (-1.01;-0.36)

FACT-Ce:

Ā Ā Ā Ā Ā Ā 

Physical Well-Being

17

78.0 (15.3)

+5.3 (15.8)

0.18

0.34 (-0.20;0.85)

0.34 (-0.17;0.87)

Social/Family Well-Being

17

74.3 (21.1)

+3.2 (18.3)

0.48

0.17 (0.47;0.59)

0.15 (-0.39;0.48)

Emotional Well-Being

17

74.3 (19.6)

+3.3 (13.7)

0.34

0.24 (-0.32;0.64)

0.16 (-0.16;0.48)

Functional Well-Being

17

50.8 (17.1)

+10.0 (13.2)

0.007

0.75 (0.20;1.27)

0.58 (0.19;0.93)

Colorectal Cancer Specific

16

69.6 (10.6)

+3.9 (12.9)

0.25

0.30 (-0.26;0.88)

0.36 (-0.27;0.98)

FACT-C total score

17

69.5 (8.6)

+1.6 (9.0)

0.49

0.19 (-0.36;0.71)

0.18 (-0.35;0.81)

Trial Outcome Index-Colorectal

17

66.4 (10.6)

+4.7 (13.0)

0.152

0.36 (-0.20;0.96)

0.44 (-0.29;0.99)

  1. a Standard Deviation. b Wilcoxon test for the difference. c Standardized Response Mean. d Effect Size
  2. e Higher score indicates a higher level of functioning or better quality of life. f Higher score indicates more symptoms/problems. Bold indicate p values < 0.05.