Variable Risk ratio 95%Cl P value N 13.072 1.124-152.075 0.040 (positive vs negative)       EIPL 0.084 0.007-0.936 0.044 (with vs without)       N: lymph node metastasis, EIPL: extensive intraoperative peritoneal lavage therapy.

Table 3: Multivariate analysis of the independent risk factors for peritoneal recurrence.