Early diagnosis for colorectal cancer in China

Table 1 The detective rate for early stage of colorectal cancer in China

Authors	Colorectal cancer
	Total n	Early stage n (%)	Year
Lu et al[14]	569	85(15.1)	1997
Ni et al[15]	132	15(11.4)	1997
Yang et al[16]	721	65(22.9)	1997
NI et al[17]	296	32(10.8)	1997
Cai et al[18]	1058	59(5.6)	1999
Zeng et al[19]	300	5(1.7)	1996
Sun et al[20]	180	47(26.1)	1998