Correlation between CD4 count and culture positivity for TB, per unique visit (n = 998^*).

<p>* Number among those who are HIV positive with known CD4 counts.</p><p>** Includes all results that were not TB.</p><p>Correlation between CD4 count and culture positivity for TB, per unique visit (n = 998^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0107552#nt118" target="_blank">*</a>}).