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Table 1 DM1 clinical–demographic characteristics

From: Paving the way for a better understanding of the pathophysiology of gait impairment in myotonic dystrophy: a pilot study focusing on muscle networks

gender, age CTG expansiona DM1 onset Comorbidities CRS MSS
F, 49y E2 25y headache 2 2
F, 23y E2 16y nasal turbinate stenosis 2 2
M, 19y E2 17y 1 3
F, 45y E2 22y BS1, OSAS 2 3
F, 29y E2 15y headache 2 2
F, 17y E2 15y 1 3
F, 65y E2 30y headache, HBV–hepatitis, slight respiratory failure 2 2
  1. Legend: CRS (Clinical rating scale) for DM1 (Dystrophic Myotonia type 1): 1 = presence of myotonia and/or mild functional weakness without functional impairment; 2 = moderate muscle weakness leading to some degree of functional impairment; 3 = muscle weakness with severe functional impairment and in some cases resulting in the subjects being bound to a wheelchair; 4 = bedridden. MSS (myotonia severity scale) for DM1 from 0 (absence of myotonia) to 4 (the worst myotonia experienced). BS1 Brugada syndrome type 1.OSAS Obstructive Sleep Apnea Syndrome. a Range of CTG expansion: E1: 20–150; E2: 150–1000; E3: > 1000