Table 5.

Multivariate survival analysis of 90 patients with PC

Clinicopathologic factors	χ2	P	Relative risk	95% CI levels
Sex (male vs female)	3.87	0.049	0.64	0.401-1.020
Age (≤ 65 vs > 65)	0.08	0.653	0.74	0.098-5.595
CC (CC-0,1 vs CC-23)	7.96	0.004	2.32	1.004-3.638
NIPS (done vs not done)	5.28	0.016	3.06	1.008-4.046
PCI (≤ 6 vs ≥ 7)	0.80	0.802	0.91	0.444-1.872
Histology (diff. vs poorly diff.)	0.59	0.442	0.62	0.252-4.399

From gastric cancer, treated with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) (cox proportional hazard model). PCI: Peritoneal cancer index.