Parameter Cutoff TP FN FP TN SP SN P- P+ Eff.
Percent of AECs 58.8 51 0 4 25 86.2 100 100 92.7 95
Absolute count of AECs 0.059 50 1 6 23 79.3 98 95.8 89.3 91.3
MFI of CD106 7.92 51 0 4 25 86.2 100 100 92.7 95
TP: true positive, FN: false negative, FP: false positive, TN: true negative, SP: specificity, SN: sensitivity, P-: negative prediction, P+: positive prediction, Eff.: efficacy
Table 6: ROC curve analysis showing the performance characteristics for FCM assessment of AECs in thalassemic patients.