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. 2017 Oct 17;17:817. doi: 10.1186/s12889-017-4779-5

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Subgroup analysis- prevalence of MDR-TB among previously treated and newly diagnosed patients.

(a) Decade: 1995 to 2005 (previously treated patients) (b) Decade: 2006 to 2015 (previously treated patients) (c) Decade: 1995 to 2005 (newly diagnosed patients) (d) Decade: 2006 to 2015 (newly diagnosed patients).

Abbreviations: CI, confidence interval; ES, estimate; MDR-TB, multidrug resistant tuberculosis; n, number of studies

Notes: Negative I² was set to zero.

Any missing data means that studies conducted in that region did not present results eligible for inclusion in this analysis.

Figure 4b and 4d: Countrywide prevalence includes 1 study from Central_East region (not presented individually)