Table II.

Twenty-two CBCs drawn within the first 48 hours of birth from 20 neonates with congenital iron-deficient erythropoiesis but not anemia

Patient	GA, wk	BW, g	IDM, Y/N	SGA, Y/N	Mother’s BMI	HCT, %	Ret-He, pg	MicroR, %	MCV, fL	HYPO-HE, %	MCH, Pg
1	40	4111	N	N	38.1	49.5	25.7	10.5	82.0	5.7	27.8
2	36	3860	Y	N	37.1	48.2	20.3	5.8	91.8	14.8	29.3
3	33	3232	Y	N	37.1	54.4	21.0	5.3	89.8	17.3	28.9
4	27	455	?	Y	30.0	36.4	23.4	5.2	113.8	10.3	37.2
5	32	2590	Y	N	35.5	54.6	20.2	4.9	92.7	12.4	29.4
6	33	1320	?	Y	52.5	45.4	20.6	4.8	104.4	12.7	32.2
7	33	1985	Y	N	36.6	45.0	21.5	4.5	95.7	10.2	29.1
8	38	4850	Y	N	34.1	53.4	23.9	4.3	112.5	10.7	37.3
						53.4	24.4	4.2	112.5	11.2	37.5
9	35	2660	Y	N	45.0	52.5	22.8	4.1	101.4	12.3	32.6
							26.0	4.0	103.1	10.1	32.9
10	36	3485	Y	N	38.7	52.1	20.6	4.0	96.5	13.2	30.4
11	38	4850	Y	N	34.1	46.8	20.4	3.9	113.5	17.9	37.1
12	28	780	Y	Y	33.0	41.1	20.8	3.7	114.2	10.5	34.7
13	30	2275	Y	N	25.0	62.5	23.9	3.5	99.7	11.6	30.9
14	36	4545	Y	N	36.0	53.2	21.7	3.5	102.5	18.0	31.6
15	35	3240	Y	N	26.9	57.5	20.1	3.3	100.0	13.9	30.4
16	30	1050	?	Y	55.8	55.5	25.3	2.9	114.4	13.0	34.0
17	38	4128	Y	N	29.3	52.0	22.7	2.9	109.5	11.3	34.7
18	30	1165	N	N	23.0	48.7	22.6	2.4	105.0	11.4	31.9
19	36	3486	?	N	24.0	45.5	25.6	2.1	102.2	11.2	34.8
20	38	4610	Y	N	40.2	61.3	19.9	1.6	123.8	15.9	32.5

?, undocumented.

All patients had normal hemoglobin (FA) on state metabolic screen. Bolded values indicate a laboratory parameter that is outside the reference interval for gestational and postnatal age.²⁴