Table 2.

Comparison of different approaches of active case detection giving the approach, numbers screened, numbers of confirmed cases, and the clinical classification, gender, pediatric numbers, grade and costs of those cases

Approach	Screened	Suspected cases	Confirmed cases	New case detection rate (/100,000)	PB:MB (%)	F:M (%)	Pediatric cases (%)a	New leprosy cases with grade 2 disabilities (%)	Cost/case NPR (USD)
House-to-house visits	26,469	365	27	102	16:11 (59:41)	17:10 (63:37)	3 (11)	3 (11)	76,500 (USD 642)
Contact tracing	7608	214	19	250	13:6 (68:32)	11:8 (57:43)	2 (11)	1 (5)	90,286 (USD 758)
Prison screening	4428	185	2	45	0:2 (0:100)	0:2 (0:100)	0 (0)	0 (0)	298,300 (USD 2504)

Screened: Total numbers screened; PB/MB: paucibacillary/multibacillary ratio; F/M: Female/Male ratio; G2D: Grade 2 deformity.

^aA breakdown of these at the district level given in Additional file 1: Table S3