Table 1 Demographic and personal characteristics of the 22 SMA1 children
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 |