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Table 5 Comparison of median, 95% reference range and Mean ± SD of hematological parameters in this study and others

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

Parameter Gondar (current study) Addis Ababa [17] Kenya [6] Burkina Faso (22) Wintrobe [2]
Median (95% range) Mean ± SD Median (95% range) Mean ± SD Median (95% range) Mean ± SD Median (95% range) Mean ± SD Median (95% range) Mean ± SD
RBC (×1012)
 Female 4.8 (3.45–6.25) 4.7 ± 0.725 4.5 (3.7–5.2) 4.5 ± 0.4 4.8 (3.7–5.6) NA 4.2 (3.5–4.9) NA NA (4.2–5.5) 4.8 ± NA
 Male 5.01 (3.53-6.93) 0.09 ± 0.79 5 (4.3–5.9) 5.1 ± 0.4 5.3 (4.4–6.3) NA 4.7 (3.8–5.6) NA NA (4.5–6.3) 5.4 ± NA
PCV (%)
 Female 45.2 (32.1–56.6) 44.2 ± 5.84 42.1 (35.3–48.8) 42 ± 3.2 40 (30–50) NA 35 (30–39) NA NA (37–47) 42 ± NA
 Male 46.9 (36.2–58.6) 6.8 ± 5.8 48.2 (41.6–55.11) 48.3 ± 3.7 47 (40–50) NA 39 (34–46) NA NA (41–51) 46 ± NA
Hgb (g/dl)
 Female 12.9 (11–16.7) 13.2 ± 1.6 14.9 (12.2–16.6) 14.3 ± 3.4 8.44 (5.9–10) NA 12 (9.8–13.5) NA NA (12–16) 14 ± NA
 Male 14.2 (11.5–18) 14.4 ± 1.8 16.1 (13.9–18.3) 16.1 ± 1.1 9.9 (8.3–11.3) NA 13.5 (11.3–15.6) NA NA (14–18) 16 ± NA
MCV (fl)
 Female   92 ± 3.7 NA NA 84.9 (66–95.7) NA 84 (75–92) NA NA NA
 Male 92 (85 –100)   NA NA 88 (71.4–98.2) NA 85 (73–94) NA NA NA
MCH (pg)
 Female 28.6 (25.8–32.8) 28.5 ± 1.46 NA NA NA NA 28 (24–32) NA NA NA
 Male 29 (26.6–33.3) 29.1 ± 1.54 NA NA NA NA 29 (25–34) NA NA NA
MCHC (g/dl)
 Female 30.8 (28.5–34.4) 30.6 ± 1.2 NA NA 33.9 (32.2–35.2) NA 34.2 (31.4–36.1) NA NA NA
 Male 31.3 (29.5–34.4) 31.5 ± 1.3 NA NA 34.2 (32.4–35.3) NA 34.6 (31.7–36.3) NA NA NA