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Table 1 Demographic and personal characteristics of the 22 SMA1 children

From: Intellectual abilities, language comprehension, speech, and motor function in children with spinal muscular atrophy type 1

Sex (%)
 Male 36
 Female 64
Age (years)
 Median 5
 Range 3–11
SMA1 subtype (%)
 1a 9
 1b 36
 1c 55
Age at diagnosis (months)
 Median 6.2
 Range 0.1–9
Mechanical ventilation (%)
 Invasive ventilation 31.8
 Non-invasive ventilation 68.2
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