ArticleScientific reports2025
Development and validation of a nutritional risk prediction model for patients with ulcerative colitis: a single-center retrospective study.
Article in Scientific reports, 2025. 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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Abstract
Nutritional risk is commonly overlooked in patients with ulcerative colitis (UC) due to a lack of specific assessment tools. This study developed and validated a prediction model to identify nutritional risk using routine clinical parameters. Conducted at a tertiary hospital in China, this retrospective analysis utilized data from 451 UC patients between January 2016 and October 2023, with temporal validation in a cohort of 115 patients from November 2023 to September 2024. Through multivariable logistic regression, we identified five independent predictors: diet, gender, disease activity, albumin levels, and hemoglobin levels, and created a nomogram. The model demonstrated strong performance, achieving an area under the ROC curve (AUC) of 0.914 in internal validation and 0.875 in temporal validation. Calibration curves showed good agreement between predicted and observed outcomes, and DCA confirmed clinical utility across different risk thresholds. In conclusion, our nomogram offers clinicians a practical tool for early nutritional intervention in UC, potentially reducing long-term complications. However, as a preliminary model derived from a single center, it requires further multi-center external validation before widespread clinical application.
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