Table 4. Univariate and multivariate analysis of predictive factors for nodal metastasis in acinar predominant type.

Variable	Univariate analysis (p)	Multivariate analysis (p)	OR	95% CI
Age (>60 vs. < or  = 60)	0.71384
Gender (male vs. female)	0.93567
Size, cm (>3.0 vs. < or  = 3.0)	0.19116
Lymphatic invasion (present vs. absent)	0.00206	<0.0001	6.629	3.272 – 14.18
Venous invasion (present vs. absent)	0.52355
Pleural invasion (present vs. absent)	0.13554
Micropapillary pattern,% (>5 vs. < or  = 5)	0.10600
Galectin-4 (positive vs. negative)	0.00517	0.0011	3.303	1.617 – 6.835

OR, odds ratio; CI, confidence interval.