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(a) Statistically significant differences in microbial DNA clades among human OA and control specimens, (b) Cladogram comparing OA-eroded vs. OA-intact vs. control specimens. (c) Clade comparison among hip OA and control specimens. (d) Clade comparison among knee OA and control specimens. Bars represent linear discriminant analysis (LDA) effect size scores. Asterisk indicates clade passed FDR correction. Cladogram of differences among eroded, intact, and control cartilage (b).
