Sum of genotypic risk score in Central and Southern European patients with systemic lupus erythematosus. y axis, percentage of subjects in each of the two groups with sum genetic risk score (GRS) over 20 SNPs in the indicated intervals. Distance-weighted least-squares fitting lines are presented. Light grey bars and long-slashed line, Southern European systemic lupus erythematosus (SLE) patients; dark grey bars and continuous line, Central European SLE patients.
Alonso-Perez et al. Arthritis Research & Therapy 2012 14:R94 doi:10.1186/ar3818