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

Table 3

Calculated hematological (RBC and RBC indices) reference intervals for the screened population.

Parameter (unit)	Sex	N	Mean	95% CI for mean	Median	95% CI for median	Range	2.5th–97.5th%	value (gender)
RBC (10^6/μL)	Female; Male	139; 211	4.74; 5.4	4.61–4.87; 5.33–5.48	4.68; 5.35	4.56–4.77; 5.3–5.43	3.23–8.77; 3.91–7.31	3.57–7.23; 4.41–6.99	<0.0001
HGB (g/dL)	Female; Male	139; 211	12.94; 15.34	12.62–13.26; 14.99–15.69	12.9; 15.2	12.6–13.1; 15–15.4	7.6–20; 11.5–47.4	8.8–19.2; 12.13–18.15	<0.0001
HCT% (%)	Female; Male	139; 211	39.92; 43.39	35.85–37.99; 42.85–43.93	36.6; 43.3	35.6–37.3; 42.4–44	33.3–69.6; 32.7–56.4	25.1–55.6; 35.1–51.69	<0.0001
MCV (fL)	Female; Male	139; 211	78.2; 80.23	76.96–79.45; 79.29–81.17	78.8; 80.2	78–80.3; 79.7–82.4	54.5–92; 35.4–93.4	57.45–90.1; 63.21–89.81	0.0073
MCH (pg)	Female; Male	139; 211	27.41; 28.14	26.96–27.87; 27.84–28.43	27.6; 28.2	27.3–28; 28–28.7	19.5–35.2; 20.3–34.6	20.1–33.45; 22.38–31.92	0.0030
MCHC (g/dL)	Combined; Female; Male	350; 139; 211	35.24; 35.2; 35.23	34.92–35.39; 34.95–35.54; 34.73–35.74	35.2; 35.2; 35.1	35–35.2; 35–35.4; 34.8–35.2	28.5–85.1; 28.5–42; 31.5–85.1	32–38.65; 31.79–39.53; 32.09–37.92	0.4309
RDW_CV (%)	Combined; Female; Male	350; 139; 211	12.7; 12.85; 12.6	12.54–12.85; 12.57–13.13; 12.42–12.77	12.45; 12.4; 12.5	12.3–12.6; 12.3–12.8; 12.2–12.7	10–19.3; 10.2–19.3; 10–17.3	10.5–15.82; 10.6–16.5; 10.43–15.37	0.4467
RDW_SD (fL)	Combined; Female; Male	350; 139; 211	33.31; 33.15; 33.41	32.71–33.9; 32.16–34.15; 32.66–34.16	33.9; 33.9; 33.9	33–34.7; 29.7–34.8; 33–34.7	22.2–50.6; 23.1–45.4; 22.2–50.6	24.8–44.3; 24.2–44.3; 24.8–43.68	0.6062

Sources: compiled by authors. Significant values.