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Vitamin D binding protein distinguished bovine tuberculosis-positive and negative bTB-exposed animals. The true-negative rate and true-positive rate using VDBP as a biomarker were plotted against each other. The optimal cutoff value corresponded to 38.50 (raw density). The cutoff value corresponds to a sensitivity (Se) of 80.597% and a specificity (Sp) of 81.7073%.
