Table I.

Elective CBC parameters correlated with Iron serum concentration and faecal occult blood test in the course of obser- vation of the patient

Age of the patient	Hgb [g/dl] N: 12.0–16.0	RBC [x10/^6/uL] N: 4.2–5.4	MCV [fL] N: 78–95	MCHC [g/dl] N: 31–35	HCT [%] N: 37–47	Iron [ug/dl] N: 20–145	Faecal occult blood
11 years 1 month	5.3	3.49	56.3	26.8	19.7	<10	Positive (+)
11 years 2 months	9.6	4.77	68.6	29.4	39.5	26	Positive (+)
12 years 6 months	14.0	5.01	83.6	33.7	41.6	92.0	Positive (+)
13 years 4 months	13.9	5.09	82.5	31.6	40.6	82.0	Positive (+)
14 years 7 months	14.1	4.89	83.6	32.7	41.6	73.0	Positive (+)
15 years 6 months	14.0	5.01	83.6	33.7	41.6	72.0	Negative (–)
16 years 5 months	14.0	5.01	83.6	33.7	41.6	58.0	Negative (–)
17 years 8months	14.0	4.82	85.5	34.0	41.2	43	Negative (–)

N – norm; Hgb – hemoglobin; RBC - red blood count; MCV – mean corpuscular volume; MCHC – mean corpuscular hemoglobin concentration; HCT – hematocrit