Abstract
Objective: Zinc is an essential trace element that plays a critical role in various physiological processes, including immune function and antioxidant defense. Serum zinc levels are often used as a marker to assess nutritional status and potential deficiencies. This study aims to compare serum zinc levels between stable asthmatic children and non-asthmatic controls at ESUT Teaching Hospital, Parklane Enugu, to understand whether asthmatic children have different zinc status compared to their non-asthmatic counterparts. Materials and Methods: A comparative cross-sectional study was conducted involving 85 asthmatic and 85 non-asthmatic children aged 5–11 years. Serum zinc levels were assessed using a Flame Atomic Absorption Spectrophotometer (FAAS). Data were analyzed using SPSS version 20. Results: The median serum zinc levels were 11.95 µmol/L in asthmatic children and 8.81 µmol/L in non-asthmatic children (p < 0.001). Nutritional status and socio-economic class did not significantly affect serum zinc levels. Conclusion: Stable asthmatic children have higher median serum zinc levels compared to non-asthmatic children. There was no significant relationship between serum zinc levels and socio-economic or nutritional status in the asthmatic group. Blind zinc supplementation in asthmatic children should be approached with caution.
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