Table 2.

Univariate and multivariate analyses of predictive risk factors for ER in resectable pancreatic cancer.

Preoperative risk factors	Univariable		Multivariable
	Odds ratio (95% CI)	P value	Odds ratio (95% CI)	P value
Age:<61years versus ≥ 61 years	0.730 (0.529–1.007)	.055
Gender: female versus male	1.205 (0.870–1.668)	.261
Weight loss	0.782 (0.556–1.080)	.136
Clinical symptoms: yes or no	0.515 (0.365–0.726)	.000	0.451 (0.310–0.654)	.000
Diabetes: yes versus no	1.123 (0.783–1.610)	.530
Expansion of the pancreatic duct	0.876 (0.630–1.218)	.431
Charlson age-comorbidity index:	0.628 (0.446–0.884)	.008	0.639 (0.440–0.929)	.019
Tumor size	0.628 (0.455–0.867)	.005	0.686 (0.485–0.970)	.033
Tumor location	0.930 (0.662–1.307)	.676
Preop CA 19-9	0.396 (0.284–0.551)	.000	0.428 (0.304–0.602)	.000
Preop CEA	0.440 (0.296–0.653)	.000	0.644 (0.418–0.988)	.047
Preop CA242	0.433 (0.308–0.608)	.000	0.689 (0.423–1.123)	.135

ER = early recurrence.