Table 1.

Schedule of the surveillance strategies*

Year after diagnosis	1	2	3	4	5	6	9	11	14	16	19
Base-case strategies (assumes 3 years of CT)
Standard of care	OC+CT	CT	CT	OC			OC		OC		OC
CTC-based	CTC	CT	CT	OC			OC		OC		OC
Scenario analysis strategies (assumes 5 years of CT)
Standard of care	OC+CT	CT	CT	OC+CT	CT		OC		OC		OC
CTC-based	CTC	CT	CT	CTC	CT		OC		OC		OC
Scenario analysis strategies (assumes less intensive OC follow-up)
Standard of care	OC+CT	CT	CT			OC		OC		OC
CTC-based	CTC	CT	CT			OC		OC		OC

*Schedule assumes that all test results show no lesion, hyperplastic polyp or adenoma <10 mm. Persons with adenomas 10 mm or larger get OC after 1 year and the 3 yearly thereafter.

CTC, CT colonography; OC, optical colonoscopy.