Comparison of patients’ characteristics and survival in citrate and heparin anticoagulation groups.

*Two episodes of pancreatitis where patients received both heparin and citrate PE were excluded from this analysis; one of the patients died.†Fisher exact two-tailed test.‡N = 15 for heparin and N = 26 for citrate group.本分析排除了2例同时接受肝素与枸橼酸钠PE治疗的胰腺炎发作病例；其中1例患者死亡。† 费希尔精确双侧检验。‡ 肝素组样本量N=15，枸橼酸钠组样本量N=26。