MKI67 and peritoneum cancer: Univariate analysis revealed 14 factors (P<0.05) with statistically significant differences: age, surgery history, Karnofsky performance status, pathological types, tumor vascular emboli, lymphatic metastasis, Ki-67 index, preoperative CA125 level, peritoneal cancer index (PCI), completeness of cytoreduction, bleeding volume, red blood cell (RBC) transfusion, ascites and severe adverse events (SAEs).