Serum cytokine levels in the normal control group and patients with gram-positive bacteria infection and gram-negative bacteria infection.

<p>The median levels of IL-2 in the three groups were respectively 5.8, 2.7, and 2.2 pg/mL; b IL-4, 2.7, 2.9, and 2.8 pg/mL; c IL-6, 4.1, 25.4, and 116.6 pg/mL; d IL-10, 2.4, 6.3, and 13.7 pg/mL; e TNF-α, 2.3, 2.4, and 2.8 pg/mL; f INF-γ, 4.6, 7.5, and 8.4 pg/mL. <i>P</i> indicated comparisons among three groups while <i>p</i>* indicated comparisons between gram-positive bacteria and gram-negative bacteria.