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. 2020 Jun 2;9(1):1131–1139. doi: 10.1080/22221751.2020.1760734

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© 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group, on behalf of Shanghai Shangyixun Cultural Communication Co., 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 cited.

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Figure 1. — Multivariate statistical analyses of the different clinical groups included in the study. (A) Principal component analysis (PCA) score plots of the healthy controls (HC, blue), house-hold contacts of active TB patients (HHC-TB, green) and active TB patients (A-TB, red) serum samples. Orthogonal partial least squares-discriminate analysis (OPLS-DA) score plots for the comparison between (B) A-TB (red) and HC (blue) (R²Y= 0.937, Q²Y= 0.893), (C) A-TB (red) and HHC-TB (green) (R²Y= 0.900, Q²Y= 0.428) and (D) HHC-TB (green) and HC (blue) (R²Y= 0.965, Q²Y= 0.915).