Table 1.
Socio-demographic characteristics of study participants with pulmonary tuberculosis in Uganda between May 2015 and May 2016.
Fig 1.
A box plot showing the distribution of the Xpert Ct values with smear grades.
A receiver operator curve was used to determine which Ct value could predict smear positivity. A cut off of 23.62 had a sensitivity of 52% and specificity of 72% in predicting +1 smear positivity.
Fig 2.
A scatter plot of the Xpert Ct values with time to culture positivity.
Table 2.
Bivariate regression of time to culture positivity on Xpert Ct values among adults with pulmonary tuberculosis in Uganda between May 2015 and May 2016.
Table 3.
Multivariate analysis of the time to culture positivity on Xpert Ct values among adults with pulmonary tuberculosis in Uganda between May 2015 and May 2016.