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Table 1 Clinical characteristics of the Sheffield and Newcastle cohorts

From: Mitochondrial pathology in progressive cerebellar ataxia

  Newcastle Sheffield All
  n = 26 n = 100 n = 126
Clinical    
Mean age at muscle biopsy (range) 50 (22–76) 53 (18–78) 52 (18–78)
Sex (M:F) 14:12 58:42 72:54
Family history 8 (31 %) 42 (42 %) 50 (40 %)
Phenotype (pure ataxia: ataxia plus) 4:22 20:80 24:102