Survival time in the various groups.

Group B  =  SAP  =  severe acute pancreatitis.

Group C  =  SAP + CRAI with 5-FU.

Group D  =  SAP + CRAI with octreotide.

Group E  =  SAP + CRAI with 5-FU and octreotide.

P value, the comparison of the statistical value between every two group.