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Table 2 Agreement of patient- and proxy-ratings for the EORTC QLQ-C30

From: Do neurooncological patients and their significant others agree on quality of life ratings?

EORTC QLQ-C30 Patient Mean (SD) Proxy Mean (SD) Patient minus Proxy effect size t-value p-value Pearson-Correlation (CI95%) agreement (+/- 5 points)
Physical Functioning 77.6 (27.3) 74.3 (28.8) 3.3 0.12 t = 1.16; p = 0.25 0.79* (0.65-0.89) 36%
Social Functioning 69.8 (35.4) 61.1 (34.5) 8.7 0.25 t = 1.33; p = 0.19 0.26 (-0.05-0.53) 21%
Role Functioning 63.5 (36.9) 62.7 (35.3) 0.8 0.02 t = 0.13; p = 0.90 0.42* (0.13-0.65) 31%
Emotional Functioning 59.5 (30.4) 61.8 (23.8) -2.3 -0.08 t = -0.45; p = 0.65 0.31* (0.01-0.56) 14%
Cognitive Functioning 70.6 (31.2) 70.2 (27.7) 0.4 0.01 t = 0.08; p = 0.94 0.36* (0.06-0.60) 24%
Global QOL 63.8 (23.0) 62.0 (21.6) 1.8 0.08 t = 0.55; p = 0.58 0.55* (0.29-0.74) 24%
Fatigue 41.5 (32.6) 44.2 (29.3) -2.7 -0.09 t = -0.50; p = 0.62 0.40* (0.11-0.64) 19%
Nausea/Vomiting 9.9 (16.9) 9.1 (20.9) 0.8 0.04 t = 0.24; p = 0.81 0.35* (0.05-0.60) 60%
Pain 15.9 (25.5) 19.5 (22.6) -3.7 -0.14 t = -0.81; p = 0.42 0.28 (-0.03-0.54) 39%
Dyspnoea 20.6 (31.2) 15.1 (22.3) 5.6 0.20 t = 1.19; p = 0.24 0.40* (0.11-0.64) 50%
Sleeping Disturbances 27.8 (32.0) 28.6 (30.0) -0.8 -0.03 t = -0.17; p = 0.87 0.51* (0.25-0.71) 52%
Appetite Loss 15.9 (27.8) 19.0 (29.6) -3.2 -0.11 t = -0.81; p = 0.42 0.61* (0.38-0.78) 71%
Constipation 15.8 (29.8) 15.8 (25.4) 0.0 0.00 t = 0.00; p = 1.00 0.50* (0.24-0.70) 68%
Diarrhea 7.3 (19.0) 11.4 (25.4) -4.1 -0.17 t = -1.09; p = 0.28 0.46* (0.18-0.67) 83%
Financial Impact 22.2 (31.8) 19.8 (27.6) 2.4 0.08 t = 0.53; p = 0.60 0.53* (0.28-0.72) 60%
Taste Alterations 22.1 (34.7) 18.8 (32.5) 3.3 0.10 t = 0.93; p = 0.36 0.77* (0.62-0.88) 60%
  1. *p < 0.05