Table 3.

Costs estimates for Xpert Omni (US$)

Inputs	Total cost	Cost per test	Source
Capital costs
Xpert Omni machine and accessories	5135	0.96	15
Installation costs	537.6	0.064	Assumption*
Supplemental rechargeable battery	268.1	0.052	Assumption*
iPhone-5	649	0.031	Local market costs
Building space allocation per test		0.12	Primary data
Overhead costs
Ultra-cartridge plus CFC chip	11.5	11.5	(23)
calibration cartridge per 2000 tests	450	0.225	(23)
Network running cost estimate per year (Vodacom)	550	0.55	(33)
Cost of charging batteries	0.27	0.067	Expert opinion
Staff salary allocated for Omni test	51	0.45	Salary payslips
Maintenance per year	335	0.084	Assumption*
Training costs (5 days) per year	284	0.85	Assumption*
Utilities (water, power) per month	23	0.82	Assumption*
Consumables per test		0.38	Assumption*
Total per test		16.153

*Assumption shows the costs of Omni that are assumed to be equal to the costs of Xpert MTB/Rif.