Defining Active TB Cases

Cases were defined in two ways: 1) All cultures with MTB-positive results (regardless of Xpert Ultra results), or 2) (a) Xpert Ultra positive (excluding trace), and (b) culture not TB (i.e., culture-negative, nontuberculous mycobacteria, contaminated, or not done), and (c) CXR suggestive of active TB as determined by three central readers, and (d) no history of TB (past or current).

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Matji R., Maama L., Roscigno G., Lerotholi M., Agonafir M., Sekibira R., Law I., Tadolini M, & Kak N. (2023). Policy and programmatic directions for the Lesotho tuberculosis programme: Findings of the national tuberculosis prevalence survey, 2019. PLOS ONE, 18(3), e0273245.

Publication 2023

Nontuberculous mycobacteria

Corresponding Organization : Azienda USL di Bologna

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Variable analysis

independent variables

None explicitly mentioned

dependent variables

MTB-positive results (regardless of Xpert Ultra results)
Xpert Ultra positive (excluding trace)
Culture not TB (i.e., culture-negative, nontuberculous mycobacteria, contaminated, or not done)
CXR suggestive of active TB as determined by three central readers

control variables

History of TB (past or current)

positive controls

None explicitly mentioned

negative controls

None explicitly mentioned

Annotations

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