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  • Title: Serum leptin in disabled and non-disabled children in an Indian slum population.
    Author: Freeman AC, Yousafzai AK, Filteau SM, Pai M.
    Journal: Eur J Clin Nutr; 2002 Oct; 56(10):967-72. PubMed ID: 12373617.
    Abstract:
    OBJECTIVE: To assess the concentration of serum leptin in a population of malnourished children and to compare the leptin levels of disabled and non-disabled children in this population. DESIGN: Case-control study. SUBJECTS: Eighty-one children, comprising 41 children with mixed disabilities and 40 non-disabled controls, were selected from 425 children involved in a case-control study assessing the nutritional status of children with disabilities in an Indian slum population. METHODS: Leptin was measured in the serum samples and was compared with anthropometry (weight-for-age Z-scores (WAZ), height-for-age Z-scores (HAZ), weight-for-height Z-scores (WHZ), body mass index (BMI), mid-upper-arm circumference (MUAC), sub-scapular skinfold thickness and triceps skinfold thickness) and serum acute phase proteins. RESULTS: The children were very malnourished with WAZ=-2.07 (s.d. 1.15), HAZ=-2.15 (s.d. 1.85) and WHZ=-1.07 (s.d. 0.83). Leptin was extremely low in both the disabled (1.44 ng/ml; 95% confidence interval, CI, 1.23-1.69) and the non-disabled (1.19 ng/ml; 95% CI 1.04-1.35) children. There were no differences between the disabled and non-disabled groups as a whole but 15 children with neurological disabilities had significantly higher (P<0.05) serum leptin (1.65 ng/ml; 95% CI 1.29-2.06) than the non-disabled children. Girls (1.55 ng/ml; 95% CI 1.29-1.87) had significantly higher concentrations of leptin than boys (1.11 ng/ml; 95% CI 1.02-1.22; P=0.002). Leptin did not correlate with any biochemical or anthropometric measures. CONCLUSIONS: In this population, where malnutrition was common, serum leptin levels were very low and did not correlate with anthropometry. SPONSORSHIP: UK Department for International Development; Virgin Airways through the Great Ormond Street Hospital Trustees.
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