China study of 109 w/ MPO+ vasculitis (MPO-AAV), 23 w/ anti-GBM & 20 Double positive (MPO+ GBM+) (DPP) pts showed DPP pts were older(p=0.007), higher creatinine & lower GFR, & had multi-organ damage (cardiac) outside the kidney https://t.co/3aGPnfVDrs https://t.co/E557RLogCE