Fig. 4From: Rational use of Xpert testing in patients with presumptive TB: clinicians should be encouraged to use the test-treat thresholdDecision tree for doing an additional test, Xpert MTB/RIF, in patients with a probability of having TB above the treatment threshold. TB: tuberculosis. * In patients with a probability of TB higher than the test-treat threshold, Xpert MTB/RIF testing may still be indicated to detect rifampicin-resistanceBack to article page