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Table 3 Agreement of patient- and proxy-ratings for the EORTC QLQ-BN20

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

EORTC QLQ-BN20 Patient Mean (SD) Proxy Mean (SD) Patient minus Proxy effect size t-value p-value Pearson-Correlation (CI95%) agreement (+/- 5 point)
Future Uncertainty 28.3 (29.6) 31.1 (28.1) -2.8 -0.10 t = -0.67; p = 0.51 0.55* (0.29-0.74) 29%
Visual Disorders 13.3 (16.5) 12.9 (19.9) 0.4 0.02 t = 0.16; p = 0.88 0.58* (0.34-0.76) 50%
Motor Dysfunction 21.1 (25.9) 21.8 (28.3) -0.7 -0.02 t = -0.20; p = 0.84 0.67* (0.46-0.81) 44%
Communication Deficits 26.3 (28.1) 23.8 (33.4) 2.5 0.08 t = 0.64; p = 0.53 0.67* (0.46-0.81) 45%
Headaches 34.1 (35.7) 32.5 (34.9) 1.6 0.04 t = 0.32; p = 0.75 0.59* (0.35-0.77) 57%
Seizures 13.5 (30.4) 7.1 (17.3) 6.3 0.27 t = 1.43; p = 0.16 0.38* (0.09-0.62) 81%
Drowsiness 38.9 (32.9) 36.5 (30.2) 2.4 0.08 t = 0.45; p = 0.65 0.42* (0.13-0.65) 38%
Hair Loss 9.2 (18.5) 7.5 (19.2) 1.7 0.09 t = 0.57; p = 0.57 0.52* (0.26-0.72) 78%
Itchy Skin 12.8 (22.4) 14.5 (29.4) -1.7 -0.07 t = -0.37; p = 0.71 0.42* (0.13-0.65) 64%
Weakness of Legs 25.0 (36.8) 21.7 (31.6) 3.3 0.10 t = 0.58; p = 0.56 0.45* (0.17-0.66) 60%
Bladder Control 10.0 (21.6) 6.7 (15.5) 3.3 0.18 t = 0.85; p = 0.40 0.14 (-0.17-0.43) 75%
  1. *p < 0.05