A Genetic Probability tool used to calculate risk of rheum Dz in 3 pt cohorts (1211 eMERGE, 245 Partners & 243 early inflam arthritis. Dx AUc: 0.69, 0.81 & 0.84. Likely dx made in 64% & r/o in 45%. ?Could be used to improve Dx accuracy in clinical practice?https://t.co/JiRIxtx3j5