Evaluation of the diagnostic accuracy of the Haemoglobin Colour Scale to detect anaemia in young children attending primary healthcare clinics in Zanzibar

Objectives  This study evaluates the diagnostic accuracy of Haemoglobin Colour Scale (HCS), compared with clinical diagnosis, to detect anaemia and severe anaemia in preschool‐age children attending primary healthcare clinics in rural Zanzibar. Methods  In all participants, haemoglobin (Hb) concentr...

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Bibliographic Details
Published in:Tropical medicine & international health 2012-04, Vol.17 (4), p.423-429
Main Authors: Aldridge, Catherine, Foster, Hamish M. E., Albonico, Marco, Ame, Shaali M., Montresor, Antonio
Format: Article
Language:English
Subjects:
anaemia
Anemia
Anemia - diagnosis
Anemia - epidemiology
Anemias. Hemoglobinopathies
anémie
Biological and medical sciences
Child Welfare - statistics & numerical data
Child, Preschool
diagnostic techniques and procedures
Diagnostic Tests, Routine - methods
Diseases of red blood cells
Escala de Color de la Hemoglobina técnicas diagnósticas y procedimientos
Female
General aspects
haemoglobin
Haemoglobin Colour Scale
Hematologic and hematopoietic diseases
Hemoglobina
Hemoglobinometry - methods
Hemoglobins - analysis
Humans
hémoglobine
Infant
Male
Mass Screening - methods
Mass Screening - statistics & numerical data
Medical sciences
Prevalence
Primary Health Care - methods
Prospective Studies
sensibilité et spécificité
sensitividad y especificidad
Sensitivity and Specificity
Tanzania
Tanzania - epidemiology
Tanzanie
techniques et procédures de diagnostic
échelle de couleur de l’hémoglobine
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Summary:Objectives  This study evaluates the diagnostic accuracy of Haemoglobin Colour Scale (HCS), compared with clinical diagnosis, to detect anaemia and severe anaemia in preschool‐age children attending primary healthcare clinics in rural Zanzibar. Methods  In all participants, haemoglobin (Hb) concentration was independently estimated by clinical examination for palmar pallor, HCS and HemoCue™. HemoCue was considered the reference method. Data collection was integrated into the usual health services and performed by local healthcare workers (HCWs). Sensitivity, specificity, positive and negative predictive values were calculated for HCS and clinical examination for palmar pallor. The limits of agreement between HCS and HemoCue, and inter‐observer variability for HCS, were also defined. Results  A total of 799 children age 2–59 months were recruited to the study. The prevalence of anaemia (Hb 
ISSN:1360-2276
1365-3156
DOI:10.1111/j.1365-3156.2011.02944.x