Table 3.

Multivariate logistic regression model with a dichotomized diameter of ≥2.5 cm

Variable	OR	95% CI	P-value
CT duct ≥ 1.0 cm	27.2	1.28–580	0.034
CT lesion ≥ 2.5 cm	3.00	0.32–28.3	0.338
Age	0.92	0.80–1.07	0.279
Female gender	2.72	0.21–34.8	0.442

OR, odds ratio; 95% CI, 95% confidence interval; CT, computed tomography