ArticlePloS one2026
Body mass index is associated with hypoglycaemia in children with acute vomiting and dehydration.
Article in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Low BMI increases the risk of metabolic acidosis in children with dehydration.Frontiers in nutrition · 2026Article
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6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHealthy children from 7 months to 7 years are known to be at risk for developing hypoglycaemia during prolonged fasting, particularly during acute illness with decreased oral intake. Our study aimed to identify additional factors associated with hypoglycaemia in children with acute vomiting and dehydration.
methodsOur retrospective single-centre study included 560 healthy children and adolescents (aged 29 days to 17.96 years) without known metabolic disorders admitted to hospital with dehydration due to acute illness with vomiting or poor oral intake. Historical and anthropometric parameters were evaluated as potential factors associated with hypoglycaemia.
resultsA total of 171 (30.5%) participants (aged 0.6-10.7, median 3.8 years) experienced hypoglycaemia (≤3.3 mmol/l). Besides known factors such as a higher degree of dehydration (OR 2.505, 95% CI 1.532-4.095) and complete absence of oral intake (OR 2.185, 95% CI 1.331-3.586), additional factors independently associated with hypoglycaemia included diarrhoea (OR 0.178, 95% CI 0.068-0.468) and lower body mass index (BMI) (OR 0.011, 95% CI 0.000-0.605). Children with hypoglycaemia had a significantly lower BMI (median 14.29 vs 15.46 kg/m2, p < 0.001) than children without hypoglycaemia. Only one child with hypoglycaemia was obese. The highest rate of hypoglycaemia (37.5-51.6%) was observed in the 2-7-year age groups, who also had the lowest median BMI values (13.9-14.8).
conclusionsLow BMI and absence of diarrhoea were associated with increased odds of hypoglycaemia. The typical BMI curve for children with physiologically low values at 2-7 years of age may partially explain the high incidence of hypoglycaemia in otherwise healthy children with decreased oral intake at this age.
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