On day 1, the serum sCD163 levels were 0.88 (0.78–1.00) μg/mL for SIRS patients, 1.50 (0.92–2.00) μg/mL for moderate sepsis patients, and 2.95 (2.18–5.57) μg/mL for severe sepsis patients. Here, CD163 is linked to Sepsis.