Table 3. Average expense per examined person and average cost per case detected and treated (converted to constant 1998 US$) in active case finding*.

	1993–1997	1998–2003
No. screened in population at risk	5,003,477	10,659,210
No. HAT cases detected and treated†	41,500	55,500
Average expenditure per case screened (US$)	1.30	1.57
Average expenditure per case detected and treated (US$)	156.9	301.2

*HAT, human African trypanosomiasis.
†Takes into account only active case finding by mobile teams and the assumption of a treatment rate of 100%.