Table 3.

Multivariate analyses for independent factors associated with increased risk of 1-year survival at each time point.

	Preoperative		Postoperative Day 2		Postoperative Day 3		Postoperative Day 4		Postoperative Day 5
	HR (95% CI)	p Value	HR (95% CI)	p Value	HR (95% CI)	p Value	HR (95% CI)	p Value	HR (95% CI)	p Value
BMI	0.897 (0.789–1.021)	0.099	0.968 (0.856–1.094)	0.600	0.978 (0.866–1.105)	0.719	0.961 (0.853–1.083)	0.516	0.948 (0.840–1.069)	0.384
Pre-PCI score	1.016 (0.980–1.054)	0.375	1.017 (0.981–1.055)	0.359	1.015 (0.977–1.054)	0.436	1.025 (0.987–1.064)	0.204	1.029 (0.993–1.066)	0.113
pRBC, n	1.180 (0.952–1.463)	0.130	1.216 (0.968–1.528)	0.092	1.192 (0.970–1.466)	0.095	1.112 (0.899–1.376)	0.326	1.194 (0.958–1.489)	0.115
NLR	1.250 (1.118–1.398)	<0.001 *	0.983 (0.944–1.024)	0.420	0.977 (0.953–1.002)	0.071	0.992 (0.954–1.032)	0.705	0.958 (0.906–1.013)	0.135
PLR	1.001 (0.998–1.004)	0.482	1.004 (1.002–1.007)	0.001 *	1.005 (1.003–1.008)	<0.001 *	1.002 (1.000–1.003)	0.115	1.003 (1.001–1.005)	0.007 *
MPV	1.658 (1.071–2.566)	0.023 *	1.522 (1.017–2.276)	0.041 *	1.820 (1.158–2.859)	0.009 *	1.532 (0.978–2.398)	0.062	1.970 (1.298–2.990)	0.002 *

Values are presented as the hazard ratio (95% confidence interval). * p < 0.05. BMI—body mass index; CI—confidence interval; HR—hazard ratio; Pre-PCI—preoperative peritoneal cancer index; pRBC—packed red blood cell; NLR—neutrophil to lymphocyte ratio; PLR—platelet to lymphocyte ratio; MPV—mean platelet volume.