Table 2.

Components of cost analysis

Health service costs	Patient and household costs
Direct costs associated with diagnostic services	Direct costs
Fixed	Transport
Building space	Transport to/from clinic (patient ± carer)
Utilities	Transport to/from hospital (patient ± carer)
GeneXpert machine	Non-transport
Staff training	Medication
Internal/external QC	OPD attendance
GeneXpert calibration	X-rays
Variable	GP consultation
Xpert MTB/RIF tests	Traditional healer consultation
Consumables (gloves, N95 masks)
Specimen transport
Staff work time (based on time analysis)
GeneXpert maintenance
Direct costs associated with medical services	Indirect costs
First-line TB therapy	Lost time (salary) at work (patient ± carer)
MDR-TB therapy
Hospital admission
OPD attendance
Clinic attendance