The overall incidence of SMA, of all types and across all ethnic groups, is in the range of 1 per 10,000 individuals; the gene frequency is thus around 1:100, therefore, approximately one in 50 persons are carriers.
The overall incidence of SMA is in the range of 1 per 10,000 individuals. The overall incidence of SMA is of all types and across all ethnic groups. The gene frequency is thus around 1:100. Approximately one in 50 persons are carriers. This is therefore.