TNF and systemic inflammatory response syndrome: Baseline TNF-α, IL-1β, and IL-8 was 90 (interquartile range: 118), 34(interquartile range: 239), and 163(interquartile range: 181) pg/mL in SIRS group, and 96(interquartile range: 488), 38(interquartile range: 161), and 64(interquartile range: 173) pg/mL in the non-SIRS group, respectively.