From: Genetic Analysis Workshop 15: simulation of a complex genetic model for rheumatoid arthritis in nuclear families including a dense SNP map with linkage disequilibrium between marker loci and trait loci
Parameter
RA lifetime prevalence
1.07%
F:M sex ratio in affecteds
3.07
Sibling relative risk
9.03
Number of ASPs
1856 (of 1.8 million sibling pairs)