IL6 and systemic inflammatory response syndrome: When SIRS occurred, the mean plasma IL-6 levels and TNF-α levels of the EG were 52.66 ± 7.38 pg/ml and 11.45 ± 2.72 ng/ml, respectively, showing a significant difference with 23.03 ± 6.11 pg/ml and 6.79 ± 1.17 ng/ml of the CG.