Prognostic Significance of Preoperative Serum Carcinoembryonic Antigen Varies with Lymph Node Metastasis Status in Colorectal Cancer

Table 1

Demographic data of the 615 patients with CRC, n (%).

Characteristics	(n = 615)	%	pCEA level (ng/mL), median (min to max)
Age (years)	58.00 (20–87)		3.85 (0–266.2)
Gender
Female	229	37.24	3.48 (0.3–266.2)
Male	386	62.76	4.01 (0.5–224.7)
Location
Right	117	19.02	3.96 (0.6–77.25)
Left	151	24.55	3.34 (0.43–181.1)
Rectum	347	56.42	4.2 (0.3–266.2)
TNM stage
I Stage	87	14.15	2.49 (0.5–32.2)
II stage	237	38.54	3.36 (0.3–224.7)
III stage	291	47.32	5.0 (0.43–266.2)
N category
N0 category	324	52.68	3.0 (0.3–224.7)
N1-2 category	291	47.32	5.0 (0.43–266.2)

CEA: carcinoembryonic antigen.