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Table 2 Descriptive analyses of quality of life dimensions and comparison with norm values

From: Quality of life of children with achondroplasia and their parents - a German cross-sectional study

Perspective Domains N Mean SD Reference-values t df p-value
Child-reported quality of life of children with achondroplasia (PedsQL) Physical 47 74.54 21.23 87.53 −4.14 46 ≤.01**
Emotional 47 73.51 23.03 79.33 −1.73 46 .09
Social 47 73.40 20.57 85.15 −3.92 46 ≤.01**
School 47 73.59 20.64 81.12 −2.50 46 .02*
Psychosocial 47 73.51 18.34 81.87 −3.13 46 ≤.01**
Total 47 73.76 18.04 83.84 −3.83 46 ≤.01**
Parent-reported quality of life children with achondroplasia (PedsQL) Physical 72 59.58 23.48 84.48 −9.06 72 ≤.01**
Emotional 73 65.93 19.24 81.31 −6.83 72 ≤.01**
Social 73 61.64 19.04 83.70 −9.90 72 ≤.01**
School 72 67.67 17.52 78.83 −5.44 72 ≤.01**
Psychosocial 73 65.08 15.15 81.65 −9.35 72 ≤.01**
Total 73 63.70 15.83 82.70 −10.25 72 ≤.01**
Parental self-reported quality of life (SF-8) Physical component score 73 50.50 8.49 50.30 .20 72 .85
Mental component score 73 46.51 10.22 53.25 −5.64 72 ≤.01**
  1. Abbreviations: standard deviation (SD), *p < .05, **p < .01