Urinary nucleosides as biological markers for patients with colorectal cancer

Table 1 Clinicopathological parameters of 52 patients with colorectal carcinoma

Clinicopathological parameters		Numbers(%)
Gender	Male	29 (55.8)
	Female	23 (44.2)
Age (yr)	Range	26-87
	Mean	56.4
	Median	60.0
Primary site	Rectum	15 (28.8)
	Sigmoid colon	6 (11.5)
	Colon	31 (59.6)
Duke’s stage	Duke’s A	7 (13.5)
	Duke’s B	23 (44.2)
	Duke’s C	15 (28.8)
	Duke’s D	7 (13.5)
Tumor size	≥ 5 cm	23 (44.2)
	< 5 cm	29 (55.8)
Histological grade	Well differentiated tumor	9 (17.3)
	Moderately differentiated tumor	32 (61.5)
	Poorly differentiated tumor	11 (21.2)
CEA	≥ 5 mg/L	15 (28.8)
	< 5 mg/L	37 (71.2)