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Table 1 Classification of disease type families and affected children

From: The impact of severe rare chronic neurological disease in childhood on the quality of life of families—a study on MLD and PCH2

  Type of MLD
Late-infantile (< 2½ years at onset) Juvenile (2½ to 16 years at onset) Adult (> 16 years at onset) PCH2 Total
Families (n) 8 18 1 16 43
Mothers (n) 8 16 1 16 41
single mothers (n) 1 3 0 1 5
Fathers (n) 7 14 1 13 35
Children (n) 8 21 1 19 49 (25♀/24♂)
age in yrs. at time of surveya 5.8
(3.1–8.4)
19.1
(3.2–41.4)
31.1
(31.1–31.1)
9.9
(0.8–20.0)
11.6
(0.8–41.4)
  1. aMedian age (range)
  2. MLD, metachromatic leukodystrophy; PCH2, pontocerebellar hypoplasia type 2