Time to negative results Xpert MTB/RIF Ct relative to MGIT culture. Shubhada Shenai Katharina Ronacher Stefanus Malherbe Kim Stanley Magdalena Kriel Jill Winter Thomas Peppard Charles E. Barry Jing Wang Lori E. Dodd Laura E. Via Clifton E. Barry 3rd Gerhard Walzl David Alland 10.1371/journal.pone.0160062.g002 https://plos.figshare.com/articles/figure/Time_to_negative_results_Xpert_MTB_RIF_Ct_relative_to_MGIT_culture_/3572904 <p>Kaplan-Meyer curves are shown for the time to TB negativity as indicated by two successive negative MGIT cultures versus TB negativity as indicated by a single negative Xpert test. * Xpert testing was not performed at the week 12 time point.</p> 2016-08-10 17:41:53 baseline Xpert Ct day culture status 24 weeks therapy baseline Ct measures AUC 8 treatment failures treatment failure status culture conversion MTB Pulmonary TB Introduction Biomarkers Conclusions Genome loads