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Table 2 Scale descriptives, average missing item percentages skewness and Cohen's d values for the Pediatric Quality of Life Inventory™ 4.0 Generic Core Scales child self-report (195 patient and 373 comparison group subjects) and parent proxy-report (254 patient and 525 comparison group subjects), comparing the patient and comparison groups

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

  Patient group Comparison group  
Scale N Mean S.D. Missing values (%) Percent floor (%) Percent ceiling (%) N Mean S.D. Missing values (%) Percent floor (%) Percent ceiling (%) Cohen's d
Child Self-report              
   Total Scale Score 164 76.86 14.64 14.30 0.00 0.00 366 79.33 12.35 2.00 0.00 2.50 0.19
   Physical functioning 164 78.26** 18.81 13.90 0.00 11.00 366 83.12 14.23 2.00 0.00 13.70 0.31
   Psychosocial functioning 164 76.09 14.47 14.50 0.00 3.00 366 77.29 13.39 2.10 0.00 3.00 0.09
   Emotional functioning 164 71.71 17.07 13.80 0.00 6.70 365 72.1 17.80 2.00 0.00 8.20 0.02
   Social functioning 164 82.59 17.54 13.90 0.00 28.00 366 83.81 16.10 1.80 0.30 28.70 0.07
   School functioning 160 73.94 16.82 15.80 0.00 7.50 364 75.84 16.65 2.30 0.00 10.70 0.11
Parent Proxy-report              
   Total Scale Score 212 76.02* 15.3 17.00 0.00 0.90 519 78.85 13.18 1.80 0.20 2.10 0.20
   Physical functioning 212 77.66* 18.73 15.30 0.00 14.60 519 81.03 15.88 1.30 0.20 13.10 0.20
   Psychosocial functioning 212 75.06* 15.49 18.00 0.00 1.90 519 77.66 13.69 2.10 0.20 2.70 0.18
   Emotional functioning 212 68.45* 18.06 15.00 0.00 5.20 519 71.79 16.76 1.20 0.20 7.50 0.20
   Social functioning 212 82.13 19.68 15.30 0.00 30.20 518 84.45 16.31 1.50 0.20 31.70 0.13
   School functioning 183 74.55 18.62 25.90 0.00 11.50 502 77.01 16.93 4.40 0.00 13.70 0.14
  1. N = Number of valid cases; S.D. = Standard deviation; *Difference between cardiac and healthy samples significant at p < 0.05; **Difference between cardiac and healthy samples significant at p < 0.005; missing value percentages are averaged over all subjects