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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
 
From:
Neonatology. Author manuscript; available in PMC 2010 May 4.
Published in final edited form as:
Neonatology. 2007; 92(2): 73–82.
Published online 2007 March 14. doi: 10.1159/000100805

Table 2

Total body iron content of preterm infants*

Serum ferritin concentration
Hemoglobin concentration, g/l
μg/lPercentile75100120140
355th657990101
8025th8194105116
11550th88101112123
17075th95109120131
26795th104117128139
*Total body iron content (TBI) was determined as follows: TBI = Hgb iron content (HbI) + body storage iron (BSI) + functional iron in tissues. HbI = Body weight (kg) × Hgb (g/dl) × 2.74 [76], BSI = 21.99 log (serum ferritin) − 29.04 [76, 77]. Functional iron content in tissues = 7 mg/kg [27, 28].