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Table 3 Comparison of sputum smear-positive and Xpert® MTB/RIF assay results, by HIV status

From: Evaluation of the Xpert® MTB/RIF assay and microscopy for the diagnosis of Mycobacterium tuberculosis in Namibia

HIV Status Within Xpert® result
Positive
No. %
Positive Sputum smear-positive 263 77.1
Total 341 100.0
Negative Sputum smear-positive 102 74.5
Total 137 100.0
Unknown Sputum smear-positive 78 67.2
Total 116 100.0
Total (defined as Xpert® positive) 443 74.6
Total 594 100.0