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. 2014 Dec 19;14:705. doi: 10.1186/s12879-014-0705-y

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© Lin et al.; licensee BioMed Central. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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1 minus Kaplan Meier to approximate cumulative incidence of tuberculosis among the IBT cohort (treated) and the untreated cohort (untreated) during 1-year follow-up (log rank test: 1.26, P = 0.261).