Clinical application of synovial fluid albumin-to-globulin ratio as a novel biomarker in diagnosing chronic periprosthetic joint infection.

Nevertheless, its effect remained highly significant (p < 0.0001), confirming a strong association between SF-AGR and PJI occurrence. 3.5 Receiver operating characteristic curve We used the PJI group as the positive sample and the aseptic revision group as the negative sample, and then performed feature modeling based on SF-AGR, SE-AGR, ESR, CRP, and SF-PMN% ( Figure 3 ).

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