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. 2019 Oct 1;6:325. doi: 10.3389/fvets.2019.00325

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Copyright © 2019 Stack, Cousty, Steele, Handel, Lechartier, Vinardell and David.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Scatterplot of ELISA SAA values vs. handheld test results with point shape representing reference diagnosis (Septic (S) synovial structures = triangles and non-septic (NS) synovial structures = circles). Points are spread horizontally where ELISA results are similar). ELISA cutoff (23.95) maximizing the sum of Se and Sp is shown as an additional labeled gridline. The Spearman rank correlation between ELISA score and ordinal handheld test score is also shown.