Finger fold index (FFI) calculated by deep neural network model reliable for metrical analysis and detection of swelling in RA with 91% accuracy. Mean FFI significantly higher in RA vs healthy controls PIP joints @marcblanchard23 Abst#0402 #ACR23 @RheumNow https://t.co/jmPvwzf2m8 https://t.co/DOZoV0xSsd