Related Experiment Videos
Percentile curves for hemoglobin and red cell volume in infancy and childhood
Insights
New percentile curves for hemoglobin and mean corpuscular volume (MCV) in children aged 0.5-16 years aid in diagnosing iron deficiency and thalassemia minor.
Area of Science:
- Hematology
- Pediatric Medicine
- Clinical Diagnostics
Background:
- Accurate reference ranges for hematological parameters are crucial for pediatric health assessment.
- Existing data for hemoglobin and mean corpuscular volume (MCV) percentiles in children may not adequately represent diverse populations or account for specific conditions.
- Iron deficiency and thalassemia minor are common pediatric conditions requiring reliable screening tools.
Purpose of the Study:
- To establish updated percentile curves for hemoglobin (Hb) and mean corpuscular volume (MCV) in children aged 0.5 to 16 years.
- To provide a robust reference dataset for the diagnosis and screening of iron deficiency and thalassemia minor in pediatric populations.
- To ensure clinical applicability by excluding children with laboratory evidence of relevant hematological abnormalities.
Main Methods:
- Calculation of percentile curves using data from a large cohort of non-indigent white children residing near sea level.
- Exclusion criteria included laboratory findings indicative of iron deficiency, thalassemia minor, and/or hemoglobinopathy.
- Hemoglobin curves were derived from 9,946 children, and MCV curves from 2,314 children.
Main Results:
- Established percentile curves for hemoglobin levels across the pediatric age range of 0.5 to 16 years.
- Developed percentile curves for mean corpuscular volume (MCV) for the same pediatric age group.
- The derived curves provide age-specific reference ranges for these key hematological indices.
Conclusions:
- The newly calculated percentile curves for hemoglobin and MCV offer a valuable resource for pediatricians and healthcare providers.
- These curves are particularly useful for the early diagnosis and effective screening of iron deficiency and thalassemia minor in children.
- The study provides updated, population-specific reference data to improve the accuracy of hematological assessments in pediatrics.
Abstract:
Percentile curves were calculated for hemoglobin and mean corpuscular volume in children between 0.5 and 16 years of age. The curves were derived from several populations of non-indigent white children who lived near sea level. Subjects were excluded from the reference population if they had laboratory evidence of iron deficiency, thalassemia minor, and/or hemoglobinopathy. The final reference populations included 9,946 children for the derivation of the hemoglobin curves and 2,314 for the MCV curves. The percentile curves should be particularly applicable to the diagnosis and screening of iron deficiency and thalassemia minor.