Oct4 Gene Expression in Primary Colorectal Cancer Promotes Liver Metastasis

Table 2

Patient characteristics according to Oct4 mRNA expression.

Factors	Low-expression group ()	High-expression group ()	value
Age (<66/≥66)	46/41	42/44	0.595
Sex (male/female)	45/42	49/37	0.488
Preoperative CEA (≥5/<5)	39/46	33/51	0.386
Histological grade (other/Tub1–2)	4/83	4/82	0.987
Tumor invasion (T3–4/T2)	78/9	78/8	0.818
Lymph node metastasis (N1–2/N0)	45/42	51/35	0.316
Lymphatic invasion (present/absent)	52/35	48/38	0.598
Vascular invasion (present/absent)	61/26	71/15	0.054
TNM stage (1–2/3–4)	42/45	34/97	0.269

Other: poorly differentiated, mucinous adenocarcinoma, or squamous cell carcinoma. Tub1–2: well/moderately differentiated adenocarcinoma.