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article · medRxiv

Impact of sputum quality on Xpert MTB/RIF Ultra test results for tuberculosis: A multi-country study

2026Open accessMakerere University

Abstract

Sputum quality was not independently associated with Xpert positivity and Xpert sensitivity was high across all sputum grades. These findings support molecular testing of all sputum samples for TB diagnosis regardless of macroscopic appearance.

Research topics

  • Tuberculosis Research and Epidemiology
  • Infectious Diseases and Tuberculosis
  • Pneumocystis jirovecii pneumonia detection and treatment

Sustainable Development Goals

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DOI: 10.64898/2026.04.01.26350003

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