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Table 3 Median, IQR, range and 95th percentile of reference interval, P values of hematological parameters for adult in Gondar, northwestern Ethiopia

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

Parameters N Median (IQR) Range (min–max) RI (95th percentile) Lower limit 90% CI Upper limit 90% CI
WBC (×109/l) 240 5.1 (4.2–6.3) 2.7–9.5 3.2–8.8 3.2 (2.9–3.5) 8.8 (8.3–9.1)
Neutrophil (%) 240 53 (48–58) 30–77 36–69 36 (33.8–39.1) 69 (66.9–76.5)
Neutrophils absolute (×109/l) 240 2.7 (2.1–3.5) 1.3–7.3 1.6–5.1 1.6 (1.3–1.7) 5.1 (4.6–6.2)
Lymphocyte (%) 240 38 (33–42) 17–56 22–55 22 (18.2–24.9) 55 (52.4–55.9)
Lymphocytes absolute (×109/l) 240 1.9 (1.5–2.3) 0.70–5.0 1–3.5 1 (0.8–1.1) 3.5 (3.2–4.2)
Mixed (%) 240 9 (8–11) 4–18 6–13 6 (5.4–6.4) 13 (13.0–18.0)
Mixed absolute (×109/l) 240 0.50 (0.4–0.6) 0.2–1.2 0.2–1 0.2 (0.2–0.3) 1.0 (0.9–1.2)
MCV (fl) 240 92 (90–94) 78–105 85–100 85 (80.3–85.1) 100 (99–102)
Platelet (×109/l) 240 264 (210–312) 110–531 128–432 128 (115–140) 432 (403–496)
ESR (mm/h) 240 5.0 (0–5) 0–20 0–15 0 (0–0) 15 (15–20)
RDW 240 14 (13–14) 12–18 12–17 12 (12–12.7) 17 (15.5–18.3)
RBC (×1012/l)
 Male 120 5.01 (4.56–5.59) 3.12–6.95 3.53–6.93 3.53 (3.12–3.9) 6.93 (6.45–6.95)
 Female 120 4.8 (4.2–5.25) 3.0–6.50 3.45–6.25 3.45 (3.0–3.57) 6.25 (6.08–6.5)
Hgb (g/dl)
 Male 120 14.2 (13.1–15.5) 11.0–19.1 11.5–18.0 11.5 (11–11.9) 18.0 (17.9–19.1)
 Female 120 12.9 (12.0–14.3) 10.9–16.9 11.0–16.7 11.0 (10.9–11.3) 16.7 (16.2–16.9)
PCV (%)
 Male 120 46.9 (43.2–50.0) 34.5–60.2 36.2–58.6 36.2 (34.5–37.6) 58.6 (57.0–60.2)
 Female 120 45.2 (40.4–48) 30.8–59.0 32.1–56.6 32.1 (30.8–36) 56.6 (52.1–59)
MCH (pg)
 Male 120 29.0 (28–30) 26–34.0 26.6–33.3 26.6 (25.7–27.1) 33.3 (32–34)
 Female 120 28.6 (27.7–29.2) 25.6–33.1 25.8–32.8 25.8 (25.6–26.4) 32.8 (31–33.1)
MCHC (g/dl)
 Male 120 31.3 (30.6–32.4) 28.0–36.5 29.5–34.4 29.5 (28–30) 34.4 (33.6–36.5)
 Female 120 30.8 (30.0–31.2) 28.0–34.7 28.5–34.4 28.5 (28–29) 34.4 (32.5–34.7)