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Relationship between prognostic nutritional index and asthma: a cross-sectional analysis
Zhimeng Jiang1,2, Xingyu Zhu1,3, Huixin Jiang4
1Graduate School of Hebei North University, Zhangjiakou, Hebei, China.
Frontiers in Nutrition
|February 21, 2025
Summary
Higher Prognostic Nutritional Index (PNI) levels are linked to lower asthma prevalence. This suggests nutritional status may play a role in managing asthma, warranting further investigation into early interventions.
Area of Science:
- Respiratory Medicine
- Nutritional Science
- Epidemiology
Background:
- Asthma is a chronic airway inflammatory disease.
- Nutritional status and inflammation are linked to asthma.
- The relationship between Prognostic Nutritional Index (PNI) and asthma prevalence is not well-established.
Purpose of the Study:
- To investigate the association between PNI and asthma prevalence.
- To determine if nutritional status, as indicated by PNI, correlates with asthma.
Main Methods:
- Utilized data from the National Health and Nutrition Examination Survey (NHANES) 2017-2020.
- Included 7,869 adult participants, categorized by PNI quartiles.
- Employed multivariable regression and subgroup analyses to assess the PNI-asthma correlation.
Main Results:
- Higher PNI levels were significantly associated with lower asthma prevalence.
- Each unit increase in PNI correlated with a 3% reduction in asthma prevalence (OR 0.97).
- A significant negative trend between PNI and asthma was observed (p=0.0041), consistent across subgroups.
Conclusions:
- Lower PNI values are associated with increased asthma prevalence.
- Nutritional intervention and inflammation management in low-PNI individuals may reduce asthma incidence and severity.
- Further prospective studies are recommended to confirm these findings.
Keywords:
National Health and Nutrition Examination Surveyasthmacross-sectional studyinflammatorynutritional statusprognostic nutritional indexMore Related Videos
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