Table 3. Relationship of age to iron... | American Society of Hematology

Table 3.

Relationship of age to iron status measurements in children

Age, y	Less than 1	1	2	3	4
No.	84	190	231	172	123
Altitude, m	1648	1844	2122	2299	1944
CHb, g/L^*	99 ± 3	100 ± 2	111 ± 2	116 ± 2	120 ± 3
Ferritin, g/L (- 2 SE, + 2 SE)†	17.2 (13.3, 22.4)	13.8 (11.6, 16.3)	21.9 (19.2, 25.0)	27.8 (24.3, 31.8)	31.7 (27.6, 36.5)
Receptor, mg/L	11.77 ± 1.41	11.21 ± 0.80	8.71 ± 0.56	8.30 ± 0.78	7.47 ± 0.34
Body iron, mg/kg	0.29 ± 1.04	0.50 ± 0.74	1.94 ± 0.57	2.97 ± 0.55	3.85 ± 0.47

Age, y	Less than 1	1	2	3	4
No.	84	190	231	172	123
Altitude, m	1648	1844	2122	2299	1944
CHb, g/L^*	99 ± 3	100 ± 2	111 ± 2	116 ± 2	120 ± 3
Ferritin, g/L (- 2 SE, + 2 SE)†	17.2 (13.3, 22.4)	13.8 (11.6, 16.3)	21.9 (19.2, 25.0)	27.8 (24.3, 31.8)	31.7 (27.6, 36.5)
Receptor, mg/L	11.77 ± 1.41	11.21 ± 0.80	8.71 ± 0.56	8.30 ± 0.78	7.47 ± 0.34
Body iron, mg/kg	0.29 ± 1.04	0.50 ± 0.74	1.94 ± 0.57	2.97 ± 0.55	3.85 ± 0.47

All values are means ± 2 SE.

Hemoglobin concentration corrected to sea level.

Ferritin values are geometric means.