HbAA hemoglobin fractions | Western Kenya-derived normal CI (95% CI) | Normal range (95% CI) | AUC/Accuracy/Youden index | Asymptotic sig. (p) | Sensitivity | Specificity | LR+ | LR− |
---|---|---|---|---|---|---|---|---|
HbA | 76.3–99.1 | 95–98 | 0.575 | 0.795 | 100 | 0.3 | 1.03 | 0 |
HbA2 | 1.8–4.2 | 1.5–3.5 | 0.959 | 0.000 | 98.4 | 93.3 | 14.7 | 0.017 |
HbF | 0.0–2.4 | 0.0–2.0 | N/A | N/A | N/A | N/A | N/A | N/A |