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Prevalence of anemia and iron deficiency in older Portuguese adults: An EMPIRE substudy

António Robalo Nunes,1,2,5† Cândida Fonseca,1,3,4 FilipaMarques,1,3,4 Aurora Belo,1 Dialina Brilhante1,6 and José Cortez1,4,6

^{1 – Anemia Working Group – Portugal, 2 – Geriatric University Unit, Lisbon UniversityMedical School, 3 – West Lisbon Hospital Center, 4 – NOVA Medical School, Nova University of Lisbon, 5 – Northern Lisbon Hospital Center, and 6 – Francisco Gentil Portuguese Institute of Oncology, Lisbon Center, Lisbon, Portugal}

 

Aim: The present study aimed to characterize the prevalence of anemia and iron deficiency in older Portuguese adults, and to compare it with the prevalence in younger individuals.

Methods: A population-based, cross-sectional study (EMPIRE study) enrolling a representative sample of 6267 adults aged <65 years and 1617 adults aged ≥65 years was carried out. Hemoglobin, ferritin, creatinine and C-reactive protein levels were measured by Point-of-Care tests.

Results: Anemia wasmore prevalent (P< 0.001) in participants aged ≥80 years (31.4%) compared with participants aged <65 years (19.6%) and 65–79 years (17.3%). At a 30-ng/mL ferritin cut-off, iron deficiency was more prevalent in participants aged ≥80 years (42.8%) compared with participants aged <65 years (31.5%) and 65–79 years (30.2%). Alternative ferritin cut-offs showed overall similar patterns. Anemia and iron deficiency were significantly more prevalent in older individuals who self-reported heart failure, coronary heart disease and gastritis. Anemia was more prevalent in participants aged<65 years in the north of Portugal and participants aged ≥65 years in central Portugal, following the prevalence of iron deficiency in the regions. In all regions, anemia was more prevalent in participants aged ≥80 years (reaching 39.0% in Lisbon and Tagus Valley, and 51.0% in the south).

Conclusions: Anemia and iron deficiency are highly prevalent in older Portuguese adults, particularly among those aged ≥80 years. Better diagnosis, prevention and treatment strategies should be implemented taking into account the outstanding role of iron deficiency in older Portuguese adults, the differences between regions and the intrinsic characteristics of this population. Geriatr Gerontol Int 2017;

Keywords: anemia, epidemiology, iron deficiency, older adults, Portugal.

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[pdf-embedder url=”https://awgp.pt/wp-content/uploads/2019/09/Anemiano-idosoEMPIRE.pdf” title=”Anemiano idosoEMPIRE”]

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