Fig. 4

a Heatmap of hierarchical clustering of cytokine networks and participant samples with incident syphilis. Each row is a sample and each column is a cytokine pair. *Purple = correct classification. Blue shading indicates no syphilis while green shading indicates syphilis. b Heatmap of hierarchical clustering of cytokine networks and participants with and without human immunodeficient virus infection. Each row is a participant sample and each column is a cytokine pair. Purple squares indicate that the ratio associated with the cytokine pair correctly classified at least one sample from that participant. *Pink shading represents HIV-infected participants, while gray represents non HIV-infected participants