The Iron Status of Sickle Cell Anaemia Patients in Ilorin, North Central Nigeria

Table 2

Prevalence of microcytosis, macrocytosis, hypochromia, hyperchromia, and red cell distribution width in patients and controls.

Indices	Prevalence		Percent
	Patients	Controls	Patients	Controls
Microcytosis
MCV <76 fL	10	3	22.2	8.8
Normocytosis
MCV = 76–96 fL	28	38	66.7	86.7
Macrocytosis
MCV >96 fL	5	2	11.1	4.4
Total	43.0	43.0	100.0	100.0
Hypochromia
MCH <27 pg	23	14	53.5	32.6
Normochromia
MCH = 27–32 pg	16	29	37.2	67.4
Hyperchromia
MCH >32 pg	4	0	9.3	0
Total	43.0	43.0	100.0	100.0
RDW
<39.0 fL	0	0	0	0
39–46 fL	2	28	4.4	62.2
>46.0 fL	43	17	95.6	37.8
Total	43.0	43.0	100.0	100.0

MCV: mean corpuscular volume, fL: femtolitre.
MCH: mean corpuscular haemoglobin, pg = picogram.
RDW: red cell distribution width. Normal reference range = 42.5 ± 3.5 fL .