Table 4.

Multivariate analysis for overall survival of patients with early stage pancreatic cancer

Factors	P-value	OR	95.0% CI
			Min.	Max.
Surgical resection	.02
Yes		1	Reference	Reference
No		2.41	1.13	5.11
Charlson comorbidity Index	.10
0		1	Reference	Reference
1	.48	1.28	0.63	2.57
2	.94	1.03	0.42	2.49
3	.01	5.25	1.39	19.76

OR odds ratio, Min. minimum, Max. maximum