FCGR1A and tuberculosis: Accuracy of neutrophil CD64 expression - ROC curves wereconstructed and AUC analyses highlighted the utility of the PMN CD64 index fordistinguishing between patients with TB and either HDs (AUC, 0.8958; 95% CI,0.7705-1.021, p = 0.0001752; Fig. 3A) orparticipants with LTBI (AUC, 0.8359; 95% CI, 0.6818-0.9900, p = 0.002563; Fig. 3B).