S100A8 and Sepsis: The median S100A8/A9 concentration at admission was 368.5 ng/mL (252.6-679.4 ng/mL) in sepsis patients, 356.8 ng/mL (216.1-503.9 ng/mL) in non-septic ICU patients, and 265.0 ng/mL (157.3-401.2 ng/mL) in healthy controls.