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Table 6 Correlation between the EuroQoL 5-dimension 5-level (EQ-5D-5L) Dimension and known clinical groups

From: Psychometric validation of the EuroQoL 5-Dimension 5-Level (EQ-5D-5L) in Chinese patients with adolescent idiopathic scoliosis

  Treatment (Observation versus bracing or surgery) Treatment (Observation versus bracing)  
% in any problems Observation (n = 139) Bracing/Surgery (n = 88) P-value* Observation (n = 139) Bracing (n = 67) P-value*  
Mobility 0.7 % 15.9 % <0.001 0.7 % 14.9 % <0.001  
Self-care 0.0 % 10.2 % <0.001 0.0 % 10.4 % <0.001  
Usual activities 1.4 % 34.1 % <0.001 1.4 % 34.3 % <0.001  
Pain/discomfort 20.1 % 45.5 % <0.001 20.1 % 41.8 % 0.001  
Depression/anxiety 18.0 % 25.0 % 0.204 18.0 % 26.9 % 0.142  
  Treatment (Bracing versus Surgery) Duration of Bracing  
% in any problems Bracing (n = 67) Surgery (n = 21) P-value* <1 year (n = 34) ≥1 year (n = 20) P-value*  
Mobility 14.9 % 19.0 % 0.652 30.0 % 11.8 % 0.096  
Self-care 10.4 % 9.5 % 0.903 25.0 % 5.9 % 0.043  
Usual activities 34.3 % 33.3 % 0.933 60.0 % 29.4 % 0.027  
Pain/discomfort 41.8 % 57.1 % 0.218 70.0 % 35.3 % 0.014  
Depression/anxiety 26.9 % 19.0 % 0.470 35.0 % 23.5 % 0.363  
  Cobb angle (mild or moderate versus severe) Modified Lenke Classification
% in any problems ≤40° (n = 205) >40° (n = 20) P-value* Thoracic curve (n = 86) Lumbar curve (n = 38) Thoracic & Lumbar curve (n = 103) P-value*
Mobility 6.3 % 9.1 % 0.622 10.5 % 2.6 % 4.9 % 0.169
Self-care 4.4 % 0.0 % 0.316 3.5 % 5.3 % 3.9 % 0.895
Usual activities 13.7 % 18.2 % 0.562 18.6 % 10.5 % 11.7 % 0.308
Pain/discomfort 29.3 % 36.4 % 0.490 32.6 % 36.8 % 25.2 % 0.328
Depression/anxiety 19.5 % 31.8 % 0.176 23.3 % 26.3 % 16.5 % 0.337
  1. n number of subjects
  2. Note: * P-value of Chi-square test