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Value of soluble transferrin receptor in the diagnosis of iron deficiency in children / 中国当代儿科杂志
Chinese Journal of Contemporary Pediatrics ; (12): 535-538, 2011.
Artigo em Chinês | WPRIM | ID: wpr-339601
ABSTRACT
<p><b>OBJECTIVE</b>To study the prevalence of iron deficiency in children between 6 months and 7 years and to study the diagnostic value of soluble transferrin receptor (sTfR) for iron deficiency in the children.</p><p><b>METHODS</b>A total of 502 healthy children between 6 months and 7 years from Hangzhou City of Zhejiang Province were enrolled. Serum sTfR, serum ferritin (SF), serum iron (SI), total iron blinding capacity (TIBC), zinc protoporphyrin (ZPP), Hb, MCV and CRP levels were measured.</p><p><b>RESULTS</b>The prevalence rate of iron deficiency was 19.5% in children at ages of 6 months to 7 years. The prevalence rate of iron deficiency was the highest in infants (≤1 year old; 34.7%), followed by in toddlers (1-3 years old; 19.4%) and preschoolers (3-7 years old; 14.0%). The mean serum sTfR level in infants (2.02±0.73 mg/L) was significantly higher than that in toddlers (1.68±0.40 mg/L) and preschoolers (1.67±0.29 mg/L) (P<0.05).The best cut-off value of serum sTfR for the diagnosis of iron deficiency was 2.02 mg/L in infants (sensitivity 70.3%, specificity 82.2%). The best cut-off value was 1.85 mg/L in toddlers (sensitivity 71.7%; specificity 86.4%), and that was 1.85 mg/L in preschoolers (sensitivity 77.8%; specificity 88.6%). Serum sTfR was correlated with SF (r=0.107, P<0.05), TIBC (r=0.276, P<0.01), TS (r=-0.139, P<0.05), ZPP (r=0.175, P<0.01) and MCV (r=-0.140, P<0.01).</p><p><b>CONCLUSIONS</b>Iron deficiency is more prevalent in infants ≤1 year old. The mean serum level and the cut-off value of sTfR in infants are higher than in toddlers and preschoolers. Serum sTfR is an effective index for the diagnosis of iron deficiency in children, especially in infants≤ 1 year old.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Sangue / Receptores da Transferrina / Prevalência / Fatores Etários / Ferro Tipo de estudo: Estudo diagnóstico / Estudo de prevalência Limite: Criança / Criança, pré-escolar / Feminino / Humanos / Lactente / Masculino Idioma: Chinês Revista: Chinese Journal of Contemporary Pediatrics Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Sangue / Receptores da Transferrina / Prevalência / Fatores Etários / Ferro Tipo de estudo: Estudo diagnóstico / Estudo de prevalência Limite: Criança / Criança, pré-escolar / Feminino / Humanos / Lactente / Masculino Idioma: Chinês Revista: Chinese Journal of Contemporary Pediatrics Ano de publicação: 2011 Tipo de documento: Artigo