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Table 3 Distribution of the EQ-5D-3L and EQ-5D-5L indices (total sample and positive values subsamplea)

From: Head-to-head comparison between the EQ-5D-5L and the EQ-5D-3L in general population health surveys

  EQ-5D-3L EQ-5D-5L
Total sample N = 7554 N = 7554
Theoretical range −0.653, 1 − 0.654, 1
Observed range − 0.653, 1 −0.654, 1
% with worst health state (95% CI) 0.14% (0.04, 0.24) 0.03% (0, 0.08)
% with best health (95% CI) 61.82% (59.38. 64.26) 60.82% (58.36, 63.28)
Mean, SD (95% CI) 0.87, SD = 0.25 (0.86, 0.88) 0.89, SD = 0.22 (0.88, 0.90)
Median [IQR] 0.93 [0.87, 0.96] 0.94 [0.88, 0.97]
  1. aAfter excluding participants with negative values in any index
  2. The EQ-5D-3L index was calculated with the conventional Time Trade Off preference values from the Spanish general population [33]; and the EQ-5D-5L index was calculated with the 3 L–5 L crosswalk from Spain [34]