Cross-sectional study of 180 PMR pts compared dz activity by PMR-AS to Systemic Immune-Inflammation Index (SII = Plts × PMNs/Lymphs) using CBC.48% had mod-hi dz (PMR-AS >=7). SII had moderate correlation with PMR-AS (r = 0.47), possibly useful in monitoring PMR https://t.co/vG1alSdVRU