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Table 3 Estimated cost of ingredients used in the performance of smear microscopy and chest-x-ray diagnostic tests

From: Cost-effectiveness of point-of-care digital chest-x-ray in HIV patients with pulmonary mycobacterial infections in Nigeria

Diagnostic test Item Unit Unit cost (US dollars) Cost per test Source
Sputum smear (SS) TB Stain Kit (ZN) 250 ml 138.20 2.76 Manufacturer provider’s record
Microscope Piece 1.73 0.03 WHO-Stop TB
Sputum container Piece 0.13 0.13 Provider’s record
Applicator stick 500 Pieces 7.89 0.01 Provider’s record
Immersion oil 500 ml 43.16 0.09 WHO-Stop TB
Slides 50 Pieces 4.28 0.09 WHO-Stop TB
Gloves 100 Pieces 14.47 0.15 WHO-Stop TB
Logbook Piece 3.90 0.02 Provider’s record
Pen 12 Pieces 4.93 0.01 Provider’s record
Lab coat Per day 0.01 <0.01 WHO-Stop TB
Staff salary Per day 28.5 1.14 Interview
Quality control Per day 0.12 <0.01 Provider’s record
Staff training Per day 2.37 0.10 Provider’s record
Building Per day 0.38 0.02 Interview
Electricity Per day 0.75 0.03 Interview
Water Per day 0.30 0.01 Interview
Other Per day 3.50 0.14 Provider’s record
Cost of an SS test    4.73  
Chest-x-ray (CXR) MinXray Package 65,000.00 0.46 Manufacturer
Shipment Once 1,500.00 0.01 Manufacturer
Installation and training Once 15,000.00 0.11 Manufacturer
Technical support Per year 2,500.00 0.21 Manufacturer
Apron Piece 100.00 <0.01 Interview
CD-ROM 100 Pieces 0.50 0.50 Observation
Pen 12 Pieces 4.93 0.01 Provider’s record
Logbook Piece 3.90 <0.01 Provider’s record
Staff salary Per day 32.90 0.66 Interview
Building Per day 0.38 <0.01 Interview
Electricity Per day 2.24 0.05 Interview
Quality control Per day 21.58 0.48 Interview
Other Per day 3.00 0.07 Interview
Cost of an CXR    2.56 Oc accounted
    2.47 Oc unaccounted
  1. ZN Ziehl Neelsen, Oc Opportunity cost for the capital investment.