Table 2. Univariate and multivariate analyses of hematogenous metastasis- associated factors.

Variables (n)	HM (n, %)	Univariate analysis		Multivariate analyses
		p	OR	p	OR
Gender		0.746	0.431	0.222	0.381
Male (71)	16 (22.5)
Female (19)	3 (15.8)
Age		0.389	0.717	0.492	1.530
≤60 (64)	12 (18.8)
>60 (26)	7 (26.9)
BMI		0.168	1.943	0.288	0.507
<25 (49)	13 (26.5)
≥25 (41)	6 (14.6%)
Tumor size		0.083	3.013	0.011*	5.776
≤7 (49)	7 (14.3)
>7 (41)	12 (29.3)
Grade		0.182	1.726	0.226	2.189
1 (59)	10 (16.9)
2&3 (31)	9 (29.0)
pT Stage		0.804	0.061	0.473	0.574
T1& T2 (59)	12 (20.3)
T3& T4 (31)	7 (22.6)
miR-30a expression		0.037*	5.047	0.013*	0.111
Low (63)	17 (27.0)
High (27)	2 (7.4)

Abbreviation: BMI: body mass index; HM: Hematogenous metastasis; OR: odds ratio.

^*statistics significant.