Table 3.

Number of diagnostic and surveillance colonoscopies due to the screening programme per 1000 individuals, proportion of negative colonoscopies, colorectal cancer (CRC) deaths per 1000 individuals, number of colonoscopies per death prevented, discounted life-years (LY) per individual and discounted total costs per individual

Strategy	Per 1000 individuals						Per individual
	Number of screening rounds	Screening interval	Colonoscopies	Proportion of negative colonoscopies	CRC deaths	Colonoscopies/death prevented	Discounted LY	Discounted total costs (in €)
No screening	NA	NA	NA	NA	28.3	NA	19.4116	1423
CTC	2	10	250	37.0%	21.1	35	19.4421	1253
	3	10	305	32.5%	19.5	35	19.4449	1234
	4	10	366	34.9%	18.4	37	19.4531	1229
	5	5	471	35.2%	15.5	37	19.4594	1157
MRC	2	10	254	39.3%	21.1	35	19.4425	1310
	3	10	311	34.5%	19.4	35	19.4450	1304
	4	10	374	37.0%	18.4	38	19.4533	1323
	5	5	481	37.3%	15.5	38	19.4597	1266
Colonoscopy	2	10	579	72.5%	21.1	80	19.4396	1220
	3	10	725	69.9%	19.9	86	19.4416	1202
	4	10	905	72.4%	18.7	94	19.4500	1177
FIT	11	2	545	42.1%	12.2	34	19.4752a	981a

CTC, CT colonography; FIT, faecal immunochemical test; MRC, MR colonography; NA, not applicable.

^aThis strategy dominates all other screening strategies in an incremental analysis.