Table 2. Univariate analysis of survival.

Variable	Reference	Level	HR (95% CI)	Overall P Value
Age at Diagnosis	<60	60+	2.03 (0.59,6.96)	0.2588
BMI	≤25	25–30	0.34 (0.12,1)	0.1382
	≤25	>30	0.55 (0.2,1.53)
BMI	≤25	>25	0.59 (0.23,1.53)	0.2821
Albumin	<3.5	3.5+	0.76 (0.25,2.26)	0.6190
Regional Nodes Examined	<11	11+	0.91 (0.4,2.07)	0.8244
Regional Nodes Positive	0 Nodes Positive	1+ Nodes Positive	1.96 (0.86,4.46)	0.1100
Metformin	No	Yes	0.7 (0.31,1.59)	0.3893
Gender	Female	Male	1.08 (0.45,2.6)	0.8630
Race	Not White	White	0.5 (0.15,1.72)	0.2713
Margin Status	Negative	Positive	1.31 (0.45,3.84)	0.6220
ECOG	0	1	1.15 (0.48,2.77)	0.7493
Stage	I	II	0.72 (0.27,1.92)	0.5067
Grade/Differentiation	Poorly Diff	Moderately Diff	0.47 (0.18,1.23)	0.2411
	Poorly Diff	Well Diff	0.94 (0.34,2.6)
Grade/Differentiation (Grouped)	Poorly Diff	Moderately/Well Diff	0.61 (0.26,1.41)	0.2444
CA 19–9	0–35	>35–1000	1.55 (0.32,7.53)	0.8517
	0–35	>1000	1.55 (0.3,7.95)
CA 19–9	0–35	>35	1.55 (0.34,7.09)	0.5710
Surgery Type	Not Whipple	Whipple	0.29 (0.11,0.76)	0.0120
Diabetes Duration	0–2 Years	>2 Years	2.06 (0.74,5.73)	0.1652

HR, hazard ratio.