Table 8. Factors associated with GC progression (Cox model).

Variables	β	HR (95% confidence intervals HR)	P value
pN1-2 vs. рN0	0.86	2.4 (1.2–4.5)	0.009
pN3 vs. pN0	1.60	4.9 (2.6–9.4)	<0.001
Surgery vs. surgery + HIPEC	0.71	2.0 (1.3–3.2)	0.002

GC, gastric cancer; HR, hazard ratio; HIPEC, hyperthermic intraperitoneal chemotherapy.