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) | Â | Â | Â | Â | Â |
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) | Â | Â | Â | Â | Â |
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) | Â | Â | Â | Â | Â |
Index Score | 0.75 | 0.30 | -0.24–1.0 | 0% | 40.0% |
VAS | 68.8 | 18.3 | 10.0–98.0 | 0% | 0% |