211 pts presenting w/ hot swollen joint to the ER; 28 w/ septic arthritis; pseudogout 32; gout 50; & others: 101. Predictors of Septic Arthritis: RA (OR 3.4); skin infx (OR 3.3); liver Dz (OR 9.9); knee involv (OR 3.5); immunosuppressive use (OR 3.5) https://t.co/uASovNVOWb https://t.co/Fq3obVDavm