Table 1. Summary of study population A and B.

	Population A (Chinese)				Population B (French)
	Control (N = 52)	CRA (N = 47)	CRC (N = 42)	P	Control (N = 61)	CRA (N = 27)	CRC (N = 53)	P
Age, years (mean ± SD)	52.29 ± 1.53	58.89 ± 1.48	62.88 ± 1.50	< 0.0001	60.57 ± 1.46	60.30 ± 1.67	66.81 ± 1.494	0.004
Gender (n,%)				0.544				0.190
Male	21(40%)	24(51%)	18(43%)		28(46%)	18(67%)	29(55%)
Female	31(60%)	23(49%)	24(57%)		33(54%)	9 (33%)	24(45%)
Positive FOBT (n,%)	7 (14%)	5 (11%)	16(38%)	0.002	3(5%)	4(15%)	26(49%)	< 0.0001
TNM stages, I, II	−	−	12		−	−	17
TNM stages, III, IV	−	−	30		−	−	36