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. 2015 May 30;15:218. doi: 10.1186/s12879-015-0962-4

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© Fabri et al.; licensee BioMed Central. 2015

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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Fig. 1 — Antigen-specific responses of leprosy patients, stratified by antigen. Sera from fully characterized leprosy patients were analyzed for antibodies against a. LID-1 (IgG); b. NDO-LID (IgG and IgM); c. NDO-HSA (IgM) and d. PGL-I (IgM). Each point represents the EI of an individual serum sample. The mean EI is represented by the horizontal line. The traced horizontal line is threshold for determining a positive result (EI = 1.1). The number above each data set is the percentage of positive results, and the number below each data set represents the total number of participants in each group