Optical spectral transmission (OST) a non-invasive light-based scan of hand joints monitored inflammatory arthritis activity over time in 60 patients, 1,312 joints. OST correlated with DAS28-CRP (r=0.500, p<0.001), swollen joint count (r=0.535, p<0.001), and AUC 0.781 for https://t.co/AHrybe1Rrn