Table 4.

Multivariate analysis (ordinal logistic regression test) of invasiveness groups associated with clinicopathologic variables

Variable	Estimate	p-value	95% Confidence interval
Age	0.030	.180	−0.014 to 0.074
Sex	−0.085	.876	−1.152 to 0.983
Tumor size	0.13	< .001a	0.069 to 0.191
PTTG1	2.518	.001a	1.086 to 3.950
PITX2	−0.320	.391	−1.052 to 0.411
Galectin-3	0.195	.575	−0.485 to 0.875
E-cadherin	0.482	.498	−0.914 to 1.879
Ki-67 index	0.347	.696	−1.398 to 2.093

PTTG1, pituitary tumor transforming gene 1; PITX2, paired-like homeodo-main 2.

^aStatistically significant (p < .05).