Table 9.

HbA, HbF (±SD), red blood cells (RBC) before and after separation in density gradient of neocytes (N) and gerocytes (G) during the 1st year of life.

Age	Number of Subjects	HbA			HbF
		N	G	RBC	N	G	RBC
At birth	30	0.64 ± 0.15	0.42 ± 0.07	0.49 ± 0.12	54.0 ± 8.8	72.0 ± 9.2	66.0 ± 7.6
1 month	10	0.91 ± 0.25	0.40 ± 0.12	0.72 ± 0.29	44.0 ± 5.7	68.0 ± 6.2	52.0 ± 5.5
2 months	6	2.07 ± 0.29	0.96 ± 0.15	1.14 ± 0.32	24.3 ± 6.8	37.5 ± 6.2	33.0 ± 6.5
3 months	8	2.13 ± 0.32	1.35 ± 0.19	1.55 ± 0.31	18.5 ± 5.5	25.6 ± 4.8	21.0 ± 6.1
4 months	8	2.27 ± 0.26	1.72 ± 0.25	1.93 ± 0.28	8.0 ± 3.3	13.6 ± 3.6	10.5 ± 3.5
5 months	6	2.39 ± 0.26	1.86 ± 0.30	2.18 ± 0.21	3.2 ± 1.1	5.6 ± 0.9	4.6 ± 0.9
6 months	6	2.50 ± 0.22	2.10 ± 0.32	2.25 ± 0.30	2.6 ± 0.4	3.9 ± 1.1	3.3 ± 0.9
7 months	5	2.50 ± 0.28	2.19 ± 0.31	2.28 ± 0.27	1.7 ± 0.5	3.3 ± 1.2	2.8 ± 1.1
8 months	5	2.48 ± 0.32	2.25 ± 0.29	2.34 ± 0.36	1.2 ± 0.4	2.3 ± 0.5	1.9 ± 0.7
9–10 months	5	2.53 ± 0.26	2.30 ± 0.28	2.42 ± 0.34	1.1 ± 0.6	2.2 ± 0.6	1.7 ± 0.4
11–12 months	5	2.61 ± 0.24	2.50 ± 0.28	2.53 ± 0.29	1.0 ± 0.3	2.0 ± 0.5	1.4 ± 0.4
2–12 years	20	2.64 ± 0.28	2.56 ± 0.24	2.60 ± 0.30	0.4 ± 0.2	0.7 ± 0.3	0.6 ± 0.2

From [21].