Table 3. Sensitivity of cost estimates to underlying assumptions or modification of routine operating procedures.

Assumptions tested	USD/county classified	% deviation from base case	USD/payam classified	% deviation from base case
Base case	40,206	-	9,573	-
Discount rate:
0%	40,119	−0.2%	9,552	−0.2%
10%	40,417	+0.5%	9,623	+0.5%
Vehicle lifespan:
7.5 years	39,721	−1.2%	9,457	−1.2%
Urinary schistosomiasis diagnosis:
Dipstick test only	39,379	−2.1%	9,376	−2.1%
Testing for LF infection:
County level only	30,291	−24.7%	7,212	−24.7%