Table 1. Demographic data and clinical characteristics.

Comparison between cases of right-sided and left-sided colorectal carcinoma.

Case characteristics		Right-sided (n = 40)	Left-sided (n = 40)	p
Age (yrs)	Mean	64.6	60.2	0.043*
	Range	15–87	32–81
Sex	Male	18 (45.0%)	26 (65.0%)	0.072
	Female	22 (55.0%)	14 (35.0%)
	M:F	1.0:1.2	1.0:0.5
Race	Chinese	25 (62.5%)	17 (42.5%)	0.089
	Indian	9 (22.5%)	8 (20.0%)
	Malay	4 (10.0%)	13 (32.5%)
	Others	2 (5.0%)	2 (5.0%)
Tumor size	0–5 cm	18 (45.0%)	21 (52.5%)	0.493
	6–10 cm	20 (50.0%)	19 (47.5%)
	11–15 cm	2 (5.0%)	0 (0%)
TNM stage	I	4 (10.0%)	3 (7.5%)	0.900
	II	14 (35.0%)	13 (32.5%)
	III	20 (50.0%)	20 (50.0%)
	IV	2 (5.0%)	4 (10.0%)
Differentiation	Well	1 (2.5%)	2 (5.0%)	0.025*
	Moderate	27 (67.5%)	35 (87.5%)
	Poor	12 (30.0%)	3 (7.5%)