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Table 7 Agreement between self-report and parent proxy-report Pediatric Quality of Life Inventory™ 4.0 Generic Core Scales and for the Pediatric Quality of Life Inventory™ 3.0 Cardiac Module scales

From: Measuring health-related quality of life in Hungarian children with heart disease: psychometric properties of the Hungarian version of the Pediatric Quality of Life Inventory™ 4.0 Generic Core Scales and the Cardiac Module

Scale Intraclass correlation coefficients Difference  
  5-7 year-olds 8-12 year-olds 13-18 year-olds All ages Mean P LOA
Generic Core Scale
Patient group
       
   Total 0.68 0.78 0.62 0.71 -1.28 0.161 -20.86; 23.42
   Physical functioning 0.60 0.81 0.66 0.72 -1.01 0.360 -25.76; 27.77
   Psychosocial functioning 0.63 0.69 0.61 0.65 -1.45 0.152 -23.07; 25.96
   Emotional functioning 0.47 0.56 0.50 0.52 -3.28 0.020 -30.75; 37.31
   Social functioning 0.52 0.48 0.66 0.57 -0.86 0.529 -32.57; 34.30
   School functioning 0.33 0.71 0.55 0.57 -0.48 0.722 -31.47; 32.43
Generic Core Scale
Comparison group
       
   Total 0.73 0.75 0.75 0.74 -1.01 0.052 -16.86; 18.87
   Physical functioning 0.53 0.63 0.74 0.64 -2.47 0.001 -22.72; 27.66
   Psychosocial functioning 0.75 0.78 0.73 0.76 -0.23 0.670 -18.25; 18.70
   Emotional functioning 0.63 0.75 0.71 0.70 -1.14 0.146 -25.83; 28.10
   Social functioning 0.54 0.73 0.63 0.66 0.62 0.416 -26.83; 25.60
   School functioning 0.67 0.77 0.74 0.73 -0.08 0.906 -24.34; 24.51
Cardiac Module
Patient group
       
   Heart problems-symptoms 0.73 0.84 0.71 0.77 -1.29 0.145 -21.57; 24.15
   Treatment II. 0.47 0.39 0.65 0.54 -0.35 0.875 -32.44; 33.14
   Appearance 0.18 0.55 0.58 0.53 -5.13 0.004 -36.83; 47.08
   Treatment anxiety 0.59 0.46 0.61 0.55 -8.09 0.000 -39.01; 55.20
   Cognitive problems 0.67 0.61 0.68 0.65 -2.88 0.028 -29.45; 35.21
   Communication 0.70 0.69 0.54 0.64 -0.85 0.626 -44.23; 45.94
  1. Negative signs in mean difference indicate proxy-report scores being lower; LOA = Bland-Altman 95% Limits of Agreement