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Table 3 Distributional Characteristics of EQ-5D Continuous Scales

From: Validation of two generic patient-reported outcome measures in patients with type 2 diabetes

EQ-5D Scales Mean SD Range % at Floor % at Ceiling
Edinburgh Sample (n = 53)      
Index Score 0.70 0.36 -0.24–1.0 0% 41.5%
VAS 68.4 19.1 10.0–98.0 0% 0%
London Sample (n = 77)      
Index Score 0.79 0.25 -0.18–1.0 0% 39.0%
VAS 69.1 17.9 11.0–95.0 0% 0%
Total Sample (n = 130)      
Index Score 0.75 0.30 -0.24–1.0 0% 40.0%
VAS 68.8 18.3 10.0–98.0 0% 0%
  1. VAS = Visual Analog Scale