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Updated: Jun 14, 2026

A Point-of-Care Method with Integrated Decision Support Tool to Estimate Anemia at Population Level
Published on: January 19, 2024
Age, beta thalassaemia trait, and iron-deficient anaemia significantly affect reticulocyte indices in pre-school
Giorgos L Chouliaras1, Alexandra Stamoulakatou, George Tsiftis
1First Department of Paediatrics, Athens University Medical School, Aghia Sophia Children's Hospital, 115 27 Athens, Greece. georgehouliaras@msn.com
Insights
Reticulocyte indices like CHr and micro_r show promise for diagnosing childhood anaemias. These low-cost markers help differentiate iron deficiency anaemia from beta-thalassaemia carriers.
Area of Science:
- Hematology
- Pediatric Diagnostics
- Anemia Research
Background:
- Reticulocyte indices offer a cost-effective approach to diagnosing childhood anaemias.
- These parameters are gaining traction for their potential in pediatric hematological assessments.
Purpose of the Study:
- To evaluate the distribution, age/gender variations, and iron metabolism correlations of reticulocyte indices.
- To assess the diagnostic performance of reticulocyte haemoglobin content (CHr), microcytic reticulocytes (micro_r), hypochromic reticulocytes (hypo_r), and low CHr (low_CHr).
- To differentiate between healthy children, iron deficiency (ID), iron deficiency anaemia (IDA), and beta-thalassaemia carriers (beta-thal).
Main Methods:
- Assessed reticulocyte indices (CHr, micro_r, hypo_r, low_CHr) in 386 pre-school children.
- Classified children into four groups: healthy, ID, IDA, and beta-thal carriers.
- Analyzed age and gender variations, iron metabolism correlations, and diagnostic performance using ROC analysis.
Main Results:
- Age influenced CHr and hypo_r in healthy children.
- CHr and low_CHr correlated with ferritin in the IDA group.
- micro_r and CHr demonstrated strong performance in differentiating IDA from beta-thal heterozygosity (AUC 0.76 and 0.74).
- CHr showed moderate performance (AUC 0.58) in identifying ID without anemia.
Conclusions:
- Reticulocyte indices are significantly affected by age, IDA, and beta-thalassaemia.
- CHr and micro_r show potential as screening tools for distinguishing between IDA and beta-thalassaemia heterozygosity.
Background:
Reticulocyte indices are easy to obtain, low cost parameters and have gained interest in the field of diagnosing anaemias of childhood.
Methods:
We assessed distribution, age and gender variation, relation to indices of iron metabolism and diagnostic performance of reticulocyte haemoglobin content (CHr), percentage of microcytic reticulocytes (micro_r), percentage of hypochromic reticulocytes (hypo_r), and percentage of reticulocytes with low CHr (low_CHr) in 386 pre-school children classified in four groups: healthy, iron deficiency (ID), iron deficiency anaemia (IDA), and beta-thalassaemia carriers (beta-thal).
Results:
Age had a positive effect in CHr (Spearman's rho = 0.21) and a negative effect in hypo_r (Spearman's rho = -0.2) in healthy children. CHr and low_CHr were related to ferritin in the IDA group (Spearman's rho 0.55 and -0.53, respectively). In the beta-thal group, HbA(2) is strongly related to all reticulocyte indices. micro_r and CHr performed best in discriminating between IDA and beta-thal heterozygosity (ROC analysis, area under the curve (AUC): 0.76 and 0.74, respectively). CHr achieved the best AUC (0.58) in identifying ID among children without anaemia.
Conclusion:
Age, IDA and beta-thal significantly affect reticulocyte indices. CHr and micro_r may have a role as screening tools in discriminating between IDA and beta-thal heterozygosity.
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