Systemic Inflammation Index [SII]= PMN# x Plt # / Lymphs# (all from CBC) has predictive value. Review of 16 studies (2893 immune pts & 2346 controls). SII significantly higher in ID vs controls, active vs remission, & those w/ & W/O immune disorders https://t.co/qDDQL88wbv https://t.co/IW1fnaoJRo