Expression of triggering receptor on myeloid cell 1 and histocompatibility complex molecules in sepsis and major abdominal surgery

Figure 4 Serum interleukin-6 levels. Serum levels of IL-6 in healthy volunteers (H), surgical patients before surgery (BS) and after surgery (AS), and septic patients (S). ^aP<0.05 healthy vs septic groups; ^cP<0.05 surgical groups before vs after surgery; ^eP<0.05 before surgery vs septic groups; ^gP<0.05 after surgery vs septic groups.