Skip to main content

Table 2 Test-retest reliability (ICC) of the QLQ-C30, QLQ-CR38 and FACT-C for patients with stable colorectal cancer undergoing chemotherapy (data obtained between the third and the fourth treatment)

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

  n ICCa 95% CIb
EORTC QLQ-C30:    
Functional scales:    
Physical function 34 0.87 0.76-0.93
Role function 33 0.80 0.64-0.90
Emotional function 34 0.73 0.52-0.85
Cognitive function 34 0.79 0.62-0.89
Social function 34 0.84 0.71-0.92
Global QoL/GHS 34 0.33 -0.01-0.59
Symptom scales:    
Fatigue 34 0.82 0.67-0.90
Pain 34 0.74 0.54-0.86
Nausea and vomiting 34 0.43 0.11-0.67
Single items c :    
Dyspnoea 34 0.63 0.37-0.79
Sleep disturbance 34 0.76 0.58-0.87
Appetite loss 34 0.74 0.54-0.86
Diarrhoea 34 0.33 -0.003-0.60
Constipation 34 0.54 0.25-0.74
Financial impact 34 0.75 0.56-0.87
EORTC QLQ-CR38:    
Functional scales:    
Body image 32 0.71 0.49-0.85
Future perspective 32 0.76 0.56-0.87
Sexual functioning 31 0.82 0.66-0.91
Sexual enjoyment 11 NA NA
Symptom scales:    
Radiation-induced effects micturition 32 0.67 0.43-0.82
Chemotherapy side effects 32 0.70 0.47-0.84
General gastrointestinal symptoms 32 0.65 0.39-0.81
Defecation problems 26 NA NA
Stoma-related problems 6 NA NA
Sexual dysfunction of men 14 NA NA
Sexual dysfunction of women 3 NA NA
Weight loss 32 0.36 0.02-0.63
FACT-C:    
Physical Well-Being 34 0.76 0.57-0.87
Social/Family Well-Being 33 0.51 0.23-0.73
Emotional Well-Being 34 0.79 0.62-0.89
Functional Well-Being 34 0.73 0.52-0.85
Colorectal Cancer Specific 34 0.77 0.59-0.90
FACT-C total score 34 0.75 0.55-0.87
Trial Outcome Index-Colorectal 34 0.82 0.66-0.90
  1. a Intraclass correlation coefficient; b confidence interval; NA: Not Applicable (n < 30)