Alí Duarte, MD @aliduarte.bsky.social · 25/02/20261/16 In lupus nephritis (LN), “activity” gets the spotlight—but chronic scarring often decides the long game. So: which chronicity score best predicts outcomes—NIH Chronicity Index (NIH-CI) or the Mayo Clinic Chronicity Score (MCCS)? buff.ly/tvebmPZ 141