Table 1 Resources costs assumptions for TB diagnosis by Xpert MTB/RIF and Ultra (unit costs from the Global Drug Facility products catalogs “Ordering List of TB Medicines or Diagnostics, Medical Devices and other health products”)

Supplies required for Xpert test: Provided by Cepheid

GeneXpert instrument

15,105

0.5815

1.977

1.522

1.242

Laptop HP or DELL brand

2395

0.1126

0.383

0.295

0.240

Biosafety equipment

Laboratory coats

20

0.0018

0.006

0.005

0.004

Autoclave

22,000

0.5042

1.714

1.320

1.077

Equipment

UPS 1500 VA

1,500

0.0577

0.196

0.151

0.123

Timer

30

0.0012

0.004

0.003

0.002

Vortex

220

0.0085

0.029

0.022

0.018

Stationery

Indelible labelling marker

2

0.0033

0.011

0.009

0.007

Pens (red and blue or black)

1

0.0017

0.006

0.004

0.004

Supplies required for Xpert test

MTB/RIF cartridges

499

9.9800

33.930

26.130

21.312

Laboratory supplies

Sterile screw-capped specimen collection containers

83.5

0.0835

0.284

0.219

0.178

Paper towels

2

0.0067

0.023

0.017

0.014

Personal protective equipment

Disposable gloves

20

0.0800

0.272

0.209

0.171

Surgical masks

21.5

0.0344

0.117

0.090

0.073

Biosafety supplies

Disposable autoclave bags (LxW = 35"x25”)

20

0.0320

0.109

0.084

0.068

Disposable autoclave bags (LxW = 19"x14”)

20

0.0160

0.054

0.042

0.034

Tuberculocidal disinfectant solution 0.003 L per test

45

0.0270

0.092

0.071

0.058

Human resources

Laboratory technician (40 h/week, 4 weeks/month)*

250

0.5000

1.700

1.309

1.068

Total number of test/years

6000*

11.7141

40.91

31.50

25.69

* Lao PDR data