Fig. 4From: Exploring the relationship between North Star Ambulatory Assessment and Health Utilities Index scores in Duchenne muscular dystrophySpearman correlation of NSAA scores with individual HUI attribute scores, across all visits. Abbreviations: HUI, Health Utility Index; HUI2, Health Utility Index mark 2; HUI3, Health Utility Index mark 3; NE, not estimable; NSAA, North Star Ambulatory AssessmentBack to article page