TABLE 3.

Receipt of Alternate Screening Modalities 18mo Postsurgery by Colonoscopy Status Among Patients Diagnosed With Local or Regional Colorectal Cancer

	Overall (n=1044)	Colonoscopy in 3–18 mo Postsurgery (n=442)	No Colonoscopy (n=602)
	%	%	%	P*
Sigmoidoscopy	5.6	5.4	5.7	0.88
Barium enema	3.6	4.1	3.3	0.52
FOBT	3.2	4.3	2.3	0.07
Any of the above tests	11.5	12.9	10.5	0.22
Carcinoembryonic antigen test	24.9	34.4	17.9	< 0.0001
No. carcinoembryonic antigen tests per patient
0	75.1	65.67	82.1	< 0.0001
1	4.5	5.2	4.0
2	2.7	2.9	2.5
3 or more	17.7	26.2	11.5

^*Chi square test.