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Table 2 Descriptive statistics for the QLQ-C30 scales and the anchor items (n = 548)

From: Thresholds for clinical importance for four key domains of the EORTC QLQ-C30: physical functioning, emotional functioning, fatigue and pain

  Physical Functioning Emotional Functioning Fatigue Pain
Mean (SD) 73.9 (23.8) 73.0 (24.5) 41.8 (27.6) 24.3 (28.8)
Burden:
 not at all 29.2 % 43.4 % 27.3 % 57.2 %
 a little 37.0 % 35.2 % 40.5 % 25.1 %
 quite a bit 24.8 % 14.2 % 23.0 % 13.5 %
 very much 9.1 % 7.2 % 9.2 % 4.2 %
Limitation:
 not at all 28.8 % 57.6 % 29.1 % 59.0 %
 a little 38.1 % 25.5 % 36.5 % 23.1 %
 quite a bit 22.0 % 11.3 % 26.3 % 13.9 %
 very much 11.1 % 5.7 % 8.1 % 4.1 %
Need for help:
 no help 57.1 % 66.9 % 59.7 % 71.4 %
 little help (family) 21.8 % 17.0 % 23.3 % 13.1 %
 quite a bit of help (family) 14.8 % 8.3 % 12.6 % 5.9 %
 professional help 6.3 % 7.8 % 4.4 % 9.6 %
Prevalence TMCI 77.7 % 61.1 % 77.3 % 47.5 %
Prevalence TCI 41.7 % 28.0 % 39.2 % 24.1 %
Effect size TCIa 1.56 1.69 1.80 2.33
  1. aEffect size given as Cohen’s d for comparing negative and positive cases as defined by the criteria for moderate/severe problems