Table 2.

The association between SHMT2 and clinicopathologic factors.

Variables	SHMT2		P*
	Low	High
Sex
Female	21	28	0.587
Male	40	41
Age
<60	22	22	0.711
≥60	39	47
Tumor size
≤5 cm	29	22	0.068
>5 cm	32	47
Histopathological grade
I	20	13	0.068
II+III	41	56
T stage
T1+T2	10	9	0.626
T3+T4	51	60
Lymphatic invasion
Negative	20	12	0.042
Positive	41	57
Distant metastasis
Negative	56	64	0.839
Positive	5	5
TNM stage
I–II	29	18	0.149
III–IV	32	51

SHMT2 is the abbreviation of serine hydroxymethyltransferase 2.

^*Calculated by the χ² test.