ArticleNutrients2026
Association of Nutritional Status at Diagnosis with Disease Course in Pediatric Inflammatory Bowel Disease.
Article in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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13 authors.
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Abstract
backgroundGrowth impairment is a major component of pediatric inflammatory bowel disease (IBD), yet the prognostic role of baseline nutritional status remains debated. We assessed the impact of nutritional status at diagnosis on subsequent medical and surgical disease course.
methodsWe retrospectively studied 183 children with IBD (84 Crohn's disease, 99 ulcerative colitis) followed for at least 18 months. Patients were classified at diagnosis using BMI Z-scores as underweight (n = 35), normal weight (n = 123), or overweight/obese (n = 25). Multivariable regression models-adjusted for diagnosis, biological sex, age at diagnosis, and extraintestinal manifestations/comorbidities-evaluated relapse burden, surgical resection, and longitudinal anthropometric recovery at last follow-up.
resultsBaseline underweight status was not independently associated with a higher relapse burden or time to first relapse. A sensitivity analysis excluding surgically resected patients showed higher estimated relapse rates for underweight patients, though these did not reach statistical significance. In exploratory analyses, baseline underweight showed a borderline, non-significant association with subsequent surgical resection (adjusted OR 2.68, 95% CI 0.97-7.27;
conclusionsBaseline underweight showed a suggestive but non-significant association with subsequent surgical resection, warranting confirmation in larger prospective cohorts, while it was not independently associated with medical disease instability. Substantial weight recovery occurred during pediatric IBD follow-up. Baseline BMI Z-score was associated with BMI Z-score at follow-up, although substantial between-patient variability remained unexplained.
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