Decreased Time to Treatment Initiation for Multidrug-Resistant Tuberculosis Patients after Use of Xpert MTB/RIF Test, Latvia
Helen R. Stagg
, Peter A. White, Vija Riekstiņa, Andra Cīrule, Ģirts Šķenders, Vaira Leimane1
, Liga Kuksa1
, Gunta Dravniece, James Brown, and Charlotte Jackson
Author affiliations: University College London, London, UK (H.R. Stagg, J. Brown, C. Jackson); Medical Research Council Centre for Outbreak Analysis and Modelling, London (P.J. White); National Institute for Health Research Health Protection Research Unit in Modelling Methodology, London (P.J. White); Imperial College School of Public Health, London (P.J. White); Public Health England, London (P.J. White); University of Latvia, Riga, Latvia (V. Riekstiņa); Riga East University Hospital, Riga (V. Riekstiņa, A. Cīrule, Ģ. Šķenders, V. Leimane, L. Kuksa); KNCV Tuberculosis Foundation, The Hague, the Netherlands (G. Dravniece); Royal Free London National Health Service Trust, London (J. Brown)
Figure 4. Quantile–quantile plots of time to multidrug-resistant tuberculosis (MDR TB) treatment initiation by use and results of Xpert MTB/RIF (Xpert) for patients with MDR TB, Latvia, 2009–2012. Shown are time to MDR TB treatment initiation (days) for patients A) who were not tested by Xpert vs. those who had rifampin-resistant TB by Xpert, B) those who were not tested vs. those who had a negative result for rifampin-resistant TB, and C) those who were tested by Xpert and had positive vs. negative results for rifampin-resistant TB. MTB, Mycobacterium tuberculosis; RIF, rifampin.
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