Skip to main content

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