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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Prostaglandins Leukot Essent Fatty Acids. 2017 Aug 26;125:43–47. doi: 10.1016/j.plefa.2017.08.007

Fig. 1. Potential composite biomarkers: concentration ratios of resolving lipid mediator RvD1 to omega-3 docosahexaenoic acid (DHA) or to omega-6 arachidonic acid (AA) and their receiver operating characteristic analysis.

Fig. 1

A) Concentration ratios of AA:DHA, AA:RvD1, and DHA:RvD1 (pM/pM). B) Receiver operating characteristic (ROC) curve of candidate biomarker AA:RvD1 and AA:DHA concentration ratio (pM/pM), as well as the sum of the normalized DHA/AA and RvD1/AA. C) Area under the curve (AUC) of ROC analysis and 95% confidence interval for each candidate biomarker: RvD1, DHA, AA, AA:DHA (pM:pM), DHA:RvD1 (pM/pM), AA:RvD1 (pM/pM), and the sum of the normalized DHA/AA and RvD1/AA