Table 5.

Hematologic reference values for adolescents in Kintampo, Ghana^*

Parameters	Unit	Male			Female			Combined
		No.	Median value	Reference value	No.	Median value	Reference value	No.	Median value	Reference value
Hemoglobin†	g/dL	161	12.4	10.4–14.8	128	12.3	9.4–14.2	289	12.2	9.5–14.4
Hematocrit†	%	161	37.4	31.1–45.1	128	36.9	25.4–45.1	289	37.2	29.4–44.9
RBC†	× 1012/L	161	4.66	3.79–5.69	128	4.50	3.41–5.40	289	4.58	3.53–5.57
MCV	Fl	161	82	66–92	127	83	67–94	288	82	67–93
MCH	Pg	161	27.2	21.6–31.4	128	27.2	20.9–35.0	289	27.2	21.2–32.0
MCHC	g/dL	161	33.1	30.8–35.9	124	32.9	30.1–37.2	285	33.0	30.5–36.6
RDW	%	161	13.7	11.5–16.1	127	13.4	11.7–16.0	288	13.5	11.6–16.1
Platelets	× 1012/L	159	220	108–326	125	232	143–390	284	226	113–363
PDW†	%	161	15.4	11.9–20.8	121	15.7	12.4–24.1	282	15.5	12.4–22.6
WBC, Total	× 109/L	160	6.0	3.6–10.3	127	5.7	3.8–9.3	287	5.9	3.7–9.4
Lymphocytes†	%	161	41.5	26.5–56.7	128	44.9	25.7–60.2	289	43.0	26.6–58.9
Lymphocytes	× 109/L	160	2.4	1.4–4.2	127	2.6	1.4–3.9	287	2.5	1.4–4.0
Monocytes	%	161	8.1	4.8–14.0	128	7.9	4.9–14.7	289	8.0	4.9–14.4
Monocytes	× 109/L	162	0.4	0.2–1.0	129	0.4	0.2–0.9	289	0.4	0.2–0.9
Granulocytes†	%	158	49.2	33.6–64.4	127	47.1	30.8–64.0	285	48.2	31.0–64.0
Granulocytes†	× 109/L	159	3.1	1.4–5.4	126	2.7	1.6–5.2	285	2.9	1.6–5.2

^*RBC = red blood cell; MCV = mean corpuscular volume; MCH = mean cell hemoglobin; MCHC = mean cell hemoglobin concentration; RDW = red blood cell distribution; PDW = platelet distribution width; WBC = white blood cell. Adolescents are classified as children 13–17 years of age.

^†Parameters with significant sex differences.