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. 2019 Sep 11;19:799. doi: 10.1186/s12879-019-4416-2

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© The Author(s). 2019

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. 3 — TB-diabetes comorbidity is associated with increased mycobacterial loads in sputum smears, but in frequency of TB-related symptoms. a Prevalence of indicated TB-related symptoms was compared between TB patients with diabetes (TBDM), prediabetes or normoglycemia. b Frequency of TB patients with different AFB smear grades in sputum classified according to glycemic status as indicated. Data were analyzed using the Pearson’s chi-square test