Am J Blood Res. 2021 Jun 15;11(3):248-254. eCollection 2021.
ABSTRACT
BACKGROUND: The World Health Organisation (WHO) suggests haemoglobin that (Hgb) cut-off levels below 2SD from the population mean to initiate anaemia investigations. In the absence of epidemiological data, Hgb less than 11 g/dL is considered abnormal in children up to the age of 59 months (4 years and eleven months).
OBJECTIVES: This study reports on the Hgb cut-off levels among children at 1 and 4 years of age. The study compared the prevalence based on the WHO generic cut-off levels and population-specific cut-off-based value defined as below 2SD from the population mean.
DESIGN, SETTINGS, AND PARTICIPANTS: A cross-sectional record-based study of healthy children below the age of 59 months attending primary care settings in Qatar. 3 years of Hgb data were collected and analysed using descriptive analyses. We excluded children with any pre-existing disea se or who have altered biological parameters indicating a non-healthy child.
RESULTS: 39407 Participants were stratified into different sub-groups according to age, gender, and ethnicity. Hgb levels were expressed as the mean ± 2SD for children of one and four years of age. Most children were from Western Asia (45.6%), followed by Northern Africa (23.7%), and Southern Asia (21.7%). Our findings for one-year-old children cut-off levels for anaemia might be as low as 9.9 g/dL and 10.6 g/dL for 4-years old.
CONCLUSION: Hgb cut-off values may be set at higher levels for one-year and four-year age groups and many different ethnicities. Higher cut-off points may overestimate the problem as a public health issue. Children may be unnecessarily treated with iron or have needless investigations.
PMID:34322287 | PMC:PMC8303014
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