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Iron status in young Danes. Evaluation by serum ferritin and haemoglobin in a population survey of 634 individuals aged 14–23 yr
Author(s) -
Milman Nils,
Ulrik Charlotte Suppli,
Graudal Niels,
Jordal Robert
Publication year - 1997
Publication title -
european journal of haematology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.904
H-Index - 84
eISSN - 1600-0609
pISSN - 0902-4441
DOI - 10.1111/j.1600-0609.1997.tb00942.x
Subject(s) - ferritin , serum ferritin , iron status , iron deficiency , medicine , population , physiology , anemia , demography , environmental health , sociology
Iron status was assessed by serum ferritin and haemoglobin in a population survey comprising 634 randomly selected urban Danes (312 males, 322 females) 14–23 yr old. At all ages, males had significantly higher serum ferritin and haemoglobin values than females. Males: median serum ferritin displayed a steady increase with age from 33 to 109 μg/l (r s =0.53, p <0.0001). The prevalence of absent mobilizable body iron stores (serum ferritin <13 μg/l) was 3.5% at 16–17 yr of age, gradually declining to 0% at 22–23 yr. None of the males had iron deficiency anaemia (serum ferritin <13 μg/l and haemoglobin <129 g/l). Females: median ferritin values displayed a slight increase with age from 28 to 39 μg/l ( r s =0.19, p <0.001). The prevalence of absent iron stores was 12.5% at 16–17 yr of age, declining to 6.6% at 22–23 yr. The prevalence of iron deficiency anaemia (serum ferritin <13 μg/l and haemoglobin <121 g/l) was 4.7% at 16–17 yr of age, declining to 1.3% at 22–23 yr of age. Compared with surveys in other parts of Scandinavia, young Danes had slightly higher serum ferritin levels, and a lower prevalence of iron deficiency.