Fig. 2From: Diagnostic accuracy, incremental yield and prognostic value of Determine TB-LAM for routine diagnostic testing for tuberculosis in HIV-infected patients requiring acute hospital admission in South Africa: a prospective cohortVenn diagrams showing the proportions of (a) total tuberculosis (TB) diagnoses (n = 139) or (b) TB diagnoses in patients with CD4 cell counts <100 cells/μL (n = 74) and the proportions (diagnostic yields) which could be made using smear microscopy, sputum Xpert or urine-lipoarabinomannan (LAM) (these tests were all conducted on samples obtained within 24 hours of admission). AFB Acid-fast bacilliBack to article page