CXCL8 and bacterial infectious disease with sepsis: There was a significant decrease (P = 0.002) of IL-8 between sepsis (2406 ± 3190 pg/ml) and bacteremia (93.53 ± 168.8 pg/ml), as well as between sepsis and viremia (32.31 ± 46.23 pg/ml; P = 0.002), and between bacteremia and viremia (P = 0.0064).