Table 3 Comparison of the obtained RI with currently used RI and other African countries
From: Establishment of hematological reference intervals for healthy adults in Asmara
Analyte | Sex | Newly obtained values | Ministry of Health (Eritrea) | Out of range (OOR %) | Tanzania [9] | Ghana [10] | Ethiopia [11] |
|---|---|---|---|---|---|---|---|
Red blood cells (RBC) (× 1012/L) | Combined | 4.07–6.02 | 4–6 | 3.5 | 4.01–6.12 | 3.39–5.83 | – |
Male | 4.2–6.07 | – | – | 4.41–6.27 | 3.79–5.96 | 3.53–6.93 | |
Female | 4–5.7 | – | – | 3.84–5.59 | 3.09–5.30 | 3.45–6.25 | |
Hemoglobin (Hgb) (g/dL) | Combined | 12.6–17.7 | 12.5–16 | 36.2 | 11.7–17.2 | 9.8–16.0 | – |
Male | 12.6–17.8 | – | – | 13.7–17.7 | 11.3–16.4 | 11.5–18.0 | |
Female | 12.5–17.6 | – | – | 11.1–15.7 | 8.8–14.4 | 11.0–16.7 | |
Hematocrit (Hct) (%) | Combined | 38.3–54.4 | 37–52 | 11.1 | 36.5–52.7 | 28.9–48.7 | – |
Male | 40.5–55 | – | – | 40.2–53.7 | 33.2–50.5 | 36.2–58.6 | |
Female | 37.9–52 | – | – | 36.2–46.8 | 26.4–45.0 | 32.1–56.6 | |
Mean cell volume (MCV) (fL) | Combined | 85.8–100 | 80–94 | 46.7 | 77.6–98.1 | 72–97 | 85–100 |
Male | 85.7–100 | – | – | 76.4–98.8 | 70–98 | – | |
Female | 85.5–100 | – | – | 77.7–97.9 | 73–96 | – | |
Mean cell hemoglobin (MCH) (pg) | Combined | 27.4–32.8 | 27–31 | 37.9 | 23.6–33.1 | 22.6–33.5 | – |
Male | 28–33 | – | – | 23.1–33.2 | 22.7–33.5 | 26.6–33.3 | |
Female | 26.5–32.6 | – | – | 24.2–33.1 | 22.3–33.6 | 25.8–32.8 | |
Mean cell hemoglobin concentration (MCHC) (g/dL) | Combined | 30.2–33.8 | 32–36 | 14.9 | 30.6–34.9 | 30.5–36.2 | – |
Male | 30.4–33.7 | – | – | 30.6–35.1 | 30.6–36.0 | 29.5–34.4 | |
Female | 30–33.7 | – | – | 30.4–34.8 | 30.4–36.5 | 28.5–34.4 | |
Red cell distribution width (RDW) (%) | Combined | 12.3–15.6 | 11.5–14.5 | 11.2 | – | 11.5–16.7 | 12–17 |
Male | 12.3–15.5 | – | – | – | 11.5–16.7 | – | |
Female | 12.3–17 | – | – | – | 11.4–16.8 | – | |
White blood cells (WBC) (× 109/L) | Combined | 3.4–9.0 | 4–9 | 12.5 | 3.0–7.9 | 3.4–9.2 | 3.2–8.8 |
Male | 3.7–9.3 | – | – | 2.8–7.9 | 3.5–9.2 | – | |
Female | 3.3–8.9 | – | – | 3.2–8.0 | 3.4–9.3 | – | |
Platelet (Plt) (× 109/L) | Combined | 134–344.2 | 150–450 | 5.4 | 150–395 | 89–380 | 128–432 |
Male | 128.4–318.4 | – | – | 147–356 | 88–352 | – | |
Female | 145.4–351.6 | – | – | 151–425 | 89–403 | – |