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Table 4 ICC results for UK, German and Spanish datasets

From: Investigating health-related quality of life in rare diseases: a case study in utility value determination for patients with CLN2 disease (neuronal ceroid lipofuscinosis type 2)

Dataset ICC Interpretation
UK 0.983 Excellent
German 0.981 Excellent
Spanish 0.985 Excellent
  1. ICC interpretations: below 0.40: poor; 0.40–0.59: fair; 0.60–0.74: good; 0.75–1.00: excellent. A Spanish value set was used as a substitute for the Italian population in the absence of an available Italian value set
  2. ICC, intraclass correlation