Figure 4.

Venn diagrams showing total tuberculosis cases, deaths and the proportions diagnosed by different diagnostic assays. Data are shown for 81 cases with complete data using: (a) sputum-based investigation with smear microscopy or Xpert MTB/RIF testing of two sputum samples and (b) testing urine samples with either Determine TB-LAM or Xpert MTB/RIF.

Lawn et al. BMC Medicine 2013 11:231   doi:10.1186/1741-7015-11-231
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