This condition was first described in the Old Order Amish population, where it affects an estimated 1 in 10,000 people. The incidence of McKusick-Kaufman syndrome in non-Amish populations is unknown.
How many people are affected by McKusick-Kaufman syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by McKusick-Kaufman syndrome ? [/INST] \n This condition was first described in the Old Order Amish population, where it affects an estimated 1 in 10,000 people. The incidence of McKusick-Kaufman syndrome in non-Amish populations is unknown.</s>