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. Author manuscript; available in PMC: 2012 Jan 6.
Published in final edited form as: Future Microbiol. 2011 Sep;6(9):1067–1082. doi: 10.2217/fmb.11.84

Figure 4. The sensitivity (95% CI) of Xpert® MTB/RIF assay for smear-positive and smear-negative TB according to whether 1, 2 or 3 sputum samples were tested compared to a gold standard of four cultures from two sputum samples.

Figure 4

Data taken from the FIND multicountry laboratory validation study [11].