Fig. 3From: Clinical features and genetic spectrum of a multicenter Chinese cohort with myotonic dystrophy type 1Onset age difference in various clinical features in Chinese Han DM1 patients. Daytime sleepiness was defined as an Epworth Sleepiness Scale (ESS) score ≥ 36, and fatigue was defined as a Fatigue Severity Scale (FSS) score ≥ 10, in accordance with the suggested threshold scores provided by the scalesBack to article page