Cost-effectiveness simulation and analysis of colorectal cancer screening in Hong Kong Chinese population: comparison amongst colonoscopy, guaiac and immunologic fecal occult blood testing

Table 2 The ICER in terms of $/LYs or $/QALYs of a Screening Strategy from the Other Competing Strategies

Strategy^a	ICER	Biennial G-FOBT	Annual G-FOBT	Colonoscopy every 10 years	Biennial I-FOBT	Annual I-FOBT
No Screening	$/LYs	37,985	41,688	22,913	19,838	20,542
	$/QALYs	5240	5871	3622	2976	3155
Biennial G-FOBT	$/LYs		48,461	10,154	5657	10,747
	$/QALYs		7096	1831	911	1763
Annual G-FOBT	$/LYs			Dominance^b	Dominance^b	Dominance^b
	$/QALYs			Dominance^b	Dominance^b	Dominance^b
Colonoscopy every 10 years	$/LYs				Dominance^b	11,916
	$/QALYs				Dominance^b	1659
Biennial I-FOBT	$/LYs					23,742
	$/QALYs					4087

Note: G-FOBT, Guaiac fecal occult blood testing; I-FOBT, immunologic fecal occult blood testing; ICER, Incremental cost-effectiveness ratio
^aSort by ascending order of effectiveness
^bAnnual G-FOBT was dominated by colonoscopy every 10 years and I-FOBT every 1 or 2 year(s) whereas colonoscopy every 10 years was dominated by biennial I-FOBT

ISSN: 1471-2407