Table 5.

Comparisons of IL-8 levels of patients at different time points between two groups (ng/L).

Group	Cases	Before ERCP	3 h after ERCP	12 h after ERCP	24 h after ERCP
Control group	72	40.56±3.75	197.68±13.48*	267.94±19.23*	224.39±14.48*
Observation group	67	40.78±3.68	168.28±10.42*	203.36±17.38*	157.84±9.53*
P		0.728	<0.001	<0.001	<0.001

Compared with that before ERCP,

^*P<0.05.