Machine learning predicts macrophage activation syndrome in adult Still’s disease – 312 AOSD – XGBoost model had 5 predictors: ferritin, splenomegaly, Plt#, cholesterol, & ESR (AUC 0.839, sensit 0.824, specificity 0.710. https://t.co/QrogaCYPCT https://t.co/Z6WgCnFTfx

19 yr old male is Dx w/ Stills Dz (Fever 104F, pleuritis, organomegaly, WBC 24k, ESR 98, CRP 11 mg/L) – what drug do you prescribe first?

A multi-center, retrospective chart review of 82 Still’s disease pts (63% female; mean Dx age 6.4 ± 4 yrs; F/U ~2.8 yrs). When analyzing Dz course, 34% were monophasic, 46% polyphasic (higher-than-expected), 19.5% persistent Dz. non-monophasic predicted by active 3 mos from Dx https://t.co/V7OxwEI4it