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. 2019 Jun 10;19:505. doi: 10.1186/s12879-019-4129-6

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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 — Time-to-switch of ART regimens according to anchor drug class from 2011 to 2016 (n = 1613). ART: antiretroviral therapy NNRTI: non-nucleoside reverse transcriptase inhibitor, PI: protease inhibitor, INSTI: integrase strand transfer inhibitor, EI: Entry inhibitor, CI: confidence interval. EI was excluded from the table as only one patient was prescribed the EI regimen. ^a Kaplan-Meier analysis; ^b Brookmeyer and Crowley method; ^c Greenwood method