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Table 6 Comparisons of median and 95% reference range with Eastern and Southern Africa (18), Tanzania (19), Togo (20) and Uganda (21) of African countries

From: Hematological reference intervals determination in adults at Gondar university hospital, Northwest Ethiopia

Parameters Gondar Togo Tanzania Uganda Eastern and southern Africa
Median (95% range) Median (95% range) Median (95% range) Median (95% range) Median (95% range)
WBC (×109/l) 5.1 (3.2–8.8) 4.1 (1.9–10.1) 4.6 (3.0–7.9) 4.9 (2.8–8.2) 3.1–9.1
Neutrophils (Abs) 2.7 (1.6–5.1) 1.6 (0.5–5.4) 2.2 (1.1–4.7) NA 1.0–5.3
Neutrophils (%) 53 (36–69) NA 48.1 (32.0–69.1) 38.9 (22.2–59.3) 25–66
Lymphocyte (Abs) 1.9 (1–3.5) 2.1 (1.1–4.3) 1.8 (1.1–3.0) NA 1.2–3.7
Lymphocyte (%) 38 (22–55) NA 40.5 (20.8–56.7) 44.4 (26.7–61.2) 23–59
Mixed (Abs) 0.5 (0.2–1) NA 0.5 (0.3–1.1) NA NA
Mixed (%) 9 (6–13) NA 10.3 (5.6–19.8) NA NA
Platelet (×109/l) 264 (128–432) 239 (120–443) 244 (150–398) 218.5 (109–384) 126–438
MCV (fl) 92 (85–100) 84.5 (80–99) 89.4 (77.6–98.1) 85 (71–97) 68–98
RBC (×1012/l)
 Male 4.8 (3.45–6.25) 5.0 5.0 (3.3–6.4) 5.21 (4.41–6.27) 5.0 (3.8–6.1) 4.0–6.4
 Female 1 (3.53–6.93) 4.5 (3.1–6.0) 4.69 (3.84–5.59) 4.4 (3.3–5.3) 3.8–5.6
Hgb (g/dl)
 Male 12.9 (11–16.7) 15.8 (10.0–18.4) 15.4 (13.7–17.7) 14.5 (11.6–17.1) 12.2–17.7
 Female 14.2 (11.5–18) 13.0 (10.3–17.1) 13.5 (11.1–15.7) 12.8 (9.8–16.2) 9.5–15.8
PCV (%)
 Male 45.2 (32.1–56.6) 42.8 (28.0–54.0) 46.6 (40.2–53.7) 42.6 (33.8–49.5) 35.0–50.8
 Female 46.9 (36.2–58.6) 38.1 (28.0–47.0) 41.5 (36.2–46.8) 37.8 (28.3–46.8) 29.4–45.4
MCH (pg)
 Male 28.6 (25.8–32.8) 29.7 (26–36) 30.0 (23.1–33.2) 29.2 (23.0–33.8) NA
 Female 29 (26.6–33.3) 29.3 (25–37) 29.3 (24.2–33.1) 29.5 (24.8–32.7) NA
MCHC (%)
 Male 30.8 (28.5–34.4) 35.1 (29–39) 33.3 (30.6–35.1) 34.2 (32.4–35.3) NA
 Female 31.3 (29.5–34.4) 35.1 (30–41) 32.7 (30.4–34.8) 34.2 (33.0–35.5) NA
RDW (%)
 Male 14 (12–17) NA NA 12.8 (10.9–16.8) NA
 Female 14 (12–17) NA NA 12.7 (11.0–17.3) NA
  1. Abs absolute