Table 1. Number of cases and controls by admixed population.

Population	Case (n)	Control (n)
African Americans	1,081	2,611
Hispanics	326	3,451
Asian Americans	64	4,851

Number of MS cases and controls for African American, Hispanic, and Asian American datasets, after removing related individuals ($\widehat{\pi }>0.25$), White, non-Hispanic subjects, and Hispanics with less than 5% Native American ancestry. n = number of individuals.