Table 3.

ICERs for the Academic Detailing Intervention

Cost-Effectiveness Measure	FOBT (US$)	Flexible Sigmoidoscopy (US$)	Colonoscopy (US$)
Increase in screening rates, %	Screening rates did not increase	Screening rates did not increase	7%
Total cost of intervention	147,865	147,865	147,865
ICER per percentage point increase in screening	*	*	21,124
Sensitivity estimate, % (±10%)	*	*	19,011-23,236
Total initial development costs	42,968	42,968	42,968
Total intervention delivery costs (4 physicians per office)	104,897	104,897	104,897
Sensitivity estimate (intervention delivery costs: 8 physicians per office 2×)	52,449	52,449	52,449
Sensitivity estimate (intervention delivery costs: 2 physicians per office 1/2×)	209,794	209,794	209,794
ICER sensitivity estimate	*	*	13,631-36,109

Abbreviations: ICERs, incremental cost-effectiveness ratios; FOBT, fecal occult blood test.

^*ICER cannot be calculated because the intervention is not clinically effective.