The incidence of ARSACS in the Charlevoix-Saguenay region of Quebec is estimated to be 1 in 1,500 to 2,000 individuals. Outside of Quebec, ARSACS is rare, but the incidence is unknown.
How many people are affected by autosomal recessive spastic ataxia of Charlevoix-Saguenay ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by autosomal recessive spastic ataxia of Charlevoix-Saguenay ? [/INST] \n The incidence of ARSACS in the Charlevoix-Saguenay region of Quebec is estimated to be 1 in 1,500 to 2,000 individuals. Outside of Quebec, ARSACS is rare, but the incidence is unknown.</s>