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Table 2 Phenotype in index cases and affected carriers at the time of examination

From: Low penetrance in facioscapulohumeral muscular dystrophy type 1 with large pathological D4Z4 alleles: a cross-sectional multicenter study

  ICs Affected carriers
n (%) n (%)
Facial weakness 49 (75%) 20 (59%)
Scapular weakness 65 (100%) 32 (94%)
Pectoral weakness 55 (85%) 20 (59%)
Abdominal weakness 51 (78.5%) 20 (59%)
Asymmetry 49 (75%) 23 (68%)
Steppage 31 (48%) 2 (6%)