Anemia

Research Article

Establishment of Hematological Reference Values among Healthy Adults in Bamenda, North West Region of Cameroon

Table 5

Comparison of obtained reference intervals and reference intervals in Yaounde and other African countries.
Parameter (unit)SexObtained RIMan.’s RIOut of range (%)Bamenda Cameroon (2015)Yaounde CameroonEritreaTanzaniaGhanaEthiopia
RBC (106/μL)Female
Male		3.57–7.23
4.41–6.99		3.5–5
4-5		25
80		4.12–5.48
4.42–6.13		3.4–5.3
4–5.9		4–5.7
4.2–6.07		3.84–5.59
4.41–6.27		3.09–5.3
3.79–5.96		3.45–6.25
3.53–6.93
HGB (g/dL)Female
Male		8.8–19.2
12.13–18.15		11–15
12–16		22.5
17.5		10.9–14.5
12.4–16.4		9.89–13.7
11–16		12.5–17.6
12.6–17.8		11.1–15.7
13.7–17.7		8.8–14.4
11.3–16.4		11–16.7
15.3–18
HCT% (%)Female
Male		25.1–55.6
35.1–51.69		37–43
42–49		67.5
45		32.8–44.2
37–49.8		29.7–42
34.6–47.61		37.9–52
40.5–55		36.2–46.8
40.2–53.7		26.4–45
33.2–50.2		32.1–56.6
36.2–58.6
MCV (fL)Combined
Female
Male		—
57.45–90.1
63.21–89.81		82–92
—
—		—
50
57.5		—
71.6–92.7
68.2–93.3		—
72–96
70–97		—
85.5–100
85.7–100		—
77.7–97.9
76.4–98.8		—
73–96
70–98		85–100
—
—
MCH (pg)Combined
Female
Male		—
20.1–33.45
22.38–31.92		27–31
—
—		—
50
30		—
23.1–30.5
22.4–31.6		—
23.22–31.2
22.8–33.4		—
26.5–32.6
28–33		—
24.2–33.1
23.1–33.2		—
22.3–33.6
22.7–33.5		—
25.8–32.8
26.6–33.3
MCHC (g/dL)Combined
Female
Male		—
31.79–39.53
32.09–37.92		32–36
—
—		—
22.5
17.5		—
31.2–34.4
31.8–34.6		—
30–34.2
29.9–35.3		—
30–33.7
30.4–33.7		—
30.4–34.8
30.6–35.1		—
30.4–36.5
22.3–33.6		—
28.5–34.4
29.5–34.4
WBC (103/μL)Combined
Female
Male		3–9.4
3.3–10.25
2.86–8.54		4–10
—
—		—
30
18		3.2–8.3
3.6–8.3
3.0–8.2		—
2.8–6.7
2.6–6.81		—
3.3–8.9
3.7–9.3		—
3.2–8
2.8–7.9		—
3.4–9.3
3.5–9.2		3.2–8.8
—
—
PLT (103/μL)Combined
Female
Male		102.6–459.5
102–656
104.4–338.8		100–300
—
—		—
37.5
12.5		142–354
148–367
140–346		—
143–369
133–339		—
145.4–351.6
128.4–318.4		—
151–425
147–356		—
89–403
88–352		128–432
Sources: compiled by authors and [9, 15, 19]. Man.’s RI = manufacturer’s reference interval.