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Table 4 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]
Sex 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
WBC (×109) Female 5.1 (3.2–8.8) 5.3 ± 1.4 5.9 (3–12.2) 6.2 ± 2.2 4.9 (3.0–9.1) NA 5.2 (3.4–7.4) NA NA (4.3–10) 7.2 ± NA
Male    5.9 (3–9.8) 6.0 ± 1.8 4.3 (2.7–7.5) NA 5.1 (3.2–9.2) NA NA (4.3–100) 7.2 ± NA
Platelet (×109) Female 264 (128–432) 267 ± 76 193 (98–352) 202 ± 67 251 (124–444) NA 252 (159–356) NA NA (150–450) NA
Male    203 (97–324) 207 ± 62 218 (115–366) NA 217 (127–365) NA NA (150–450) NA
Neutrophil (absolute) (×109) Female 2.7 (1.6–5.1) 2.8 ± 0.9 NA NA 1.96 (0.99–5.6) NA NA NA NA NA
Male    NA NA 1.78 (0.88–4.3) NA NA NA NA NA
Neutrophil (%) Female 53 (36–69) 53 ± 8 NA NA 42 (20–70) NA 46 (30–62) NA NA NA
Male    NA NA 42 (20–70) NA 43 (27–64) NA NA NA
Lymphocyte (absolute) (×109) Female 1.9 (1–3.5) 2 ± 0.7 1.7 (1.09–3.5) NA 2.16 (1.29–4.0) NA 2.2 (1.4–3.2) NA NA NA
Male    (0.96–3.5) NA 1.86 (1.12–3.2) NA 2.1 (1.3–4.0) NA NA NA
Lymphocyte (%) Female 38 (22–55) 37 ± 8 (17–59) 36 ± NA 45 (20–60) NA 43 (27–57) NA NA NA
Male    (17–59) 36 ± NA 45 (20–60) NA 44 (26–60) NA NA NA
Mix cells (absolute) (×109) Female 0.5 (0.2–1) 0.5 ± 0.2 NA NA NA NA NA NA NA NA
Male    NA NA NA NA NA NA NA NA
Mixed cells (%) Female 9 (6–13) 10 ± 2 NA NA NA NA NA NA NA NA
Male    NA NA NA NA NA NA NA NA
  1. WBC white blood cells, SD standard deviation, NA not applicable