The optimal cut-off values for the diagnosis of IDA
| Study population | Sex | Cut-off | AUC | 95% CI | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|---|
| IDA vs. control | Male | 32.6 | 0.881 | 0.825–0.924 | 76 | 93 |
| Female | 32.3 | 0.830 | 0.760–0.886 | 75 | 88 | |
| Total | 32.3 | 0.851 | 0.809–0.888 | 72 | 90 | |
| IDA vs. non-IDA | Male | 31.1 | 0.757 | 0.699–0.809 | 63 | 82 |
| Female | 31.6 | 0.774 | 0.714–0.827 | 71 | 75 | |
| Total | 31.5 | 0.765 | 0.720–0.805 | 68 | 75 |
Abbreviations: AUC, area under the curve; CI, confidence interval; IDA, iron deficiency anemia.