PO.4.94 High B-cell polygenic risk is associated with dsDNA antibodies and nephritis in systemic lupus erythematosus by S Reid, S Rantapää-Dahlqvist, D Leonard, L Rönnblom, Ø Molberg, A Rudin, K Lerang, C Sjöwall, A Jönsen, M Frodlund, A Bengtsson, J Sandling, A Sayadi, M Eloranta, E Skoglund, K Bolin, A Hedenstedt