Performance of univariate and multivariate biomarkers models in predicting primary HIV infection.
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A) Comparison between ROC curves for plasma zonulin univariate model and multivariate model adjusted by age, plasma zonulin and plasma sCD14. AUC as area under the curve. B) Cut-off values for plasma zonulin univariate model (ng/mL) and multivariate model (score) with their respective sensitivity and specificity values. C) Prediction of plasma zonulin univariate model with a cutoff of ≥ 8.75 ng/mL was compared to that of the multivariate model with a score cutoff of ≥ 0.56.