Table 3.

Logistic regression analysis of pre-operative clinical predictors of malignancy

Variable	UnivariateP-value	MultivariateP-value
Male gender	0.25	N.S.
Age	0.03	N.S.
Location (head vs. body/tail)	<0.001	N.S.
Elevated CA19-9 (>35 mg/dl)	<0.001	<0.001
Size	0.19	0.025
Symptoms (present vs. absent)	<0.001	N.S.
High CA19-9 & Head of Pancreas	0.143	N.S.