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Patient Flow Diagram. Of 6869 adults identified at 24 health centers through review of the TB-related data sources, 6744 (98.2%) with presumptive pulmonary TB were included in the analysis. TB treatment was initiated 465 of 574 (81.0%) patients with a confirmed TB diagnosis and 207 of 6744 (3.1%) without a positive sputum smear or Xpert result. Of the 207 patients treated empirically, 20 (9.7%) were Xpert-negative, 91 (44.0%) were smear-negative, and 96 (46.4%) were not tested.
