Table 3. Multivariate analysis of patients with pancreatic cancer.

Variable	Odds ratio	95% CI	P
Tumour size (⩾2.0 cm)	1.995	0.639–6.226	0.2342
Lymph node metastasis	2.388	1.026–5.561	0.0435*
Invasion of retroperitoneal tissue (d.p.m.)	5.486	1.409–21.358	0.0141*
Invasion of plexus nerve (Pl)	1.759	0.591–5.239	0.3103
Hypermethylation	3.157	1.226–8.130	0.0172*

^*Statistical significance.

CI=confidence interval.