Table 1.

Ileal macrophages and hepatic IL-1β

Group	n	Mean Ileal Macrophages	Mean Hepatic IL-1β
NEC WT	30	28.9±3.7*	32.3±3.3*
NEC IL-18−/−	34	12.2±2.3	10.5±3.0
DF WT	10	15.9±3.5	9.8±4.1
DF IL-18−/−	10	13.2±4.6	8.1±2.5

NEC WT, wild-type mice subjected to necrotizing enterocolitis (NEC) by formula feeding and cold stress; NEC IL-18^−/−, IL-18 knockout mice subjected to NEC protocol; DF WT, dam-fed wild-type mice; DF IL-18^−/−, dam-fed IL-18 knockout mice.

^*P ≤ 0.01 vs. NEC IL-18^−/−, DF WT, and DF IL-18^−/− groups.