Table 2.

Multivariate Cox regression survival analysis of relative risks for death in patients with advanced pancreatic cancer.

Variable	B	Sig.	RR	95% CI
Surgery	−0.84	0.00	0.43	0.30–0.62
Local/advanced	−0.09	0.71	0.91	0.55–1.51
Cardiac problem	0.13	0.41	1.14	0.83–1.57
Age	0.02	0.01	1.02	1.00-1.03
Metastases	0.28	0.30	1.33	0.77–2.28
NIM index	−0.38	0.01	0.68	0.51–0.92

Sig.: significance; RR: relative risk; 95% CI: 95% confidence interval; NIM index: neuroimmunomodulation index.