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Table 2 HbAA hemoglobin fractions

From: High-performance liquid chromatography local reference ranges of hemoglobin fractions (HbA, HbA2, and HbF) in detection of hemoglobinopathies in western Kenya

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