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Association not found between dietary fermentable oligosaccharides, disaccharides, monosaccharides, and polyols score
Zahra Bakhtiari1, Reza Mahdavi2, Kourosh Masnadi Shirazi3
1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
Objectives:
We hypothesized that a low fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAP) diet may be associated with the disease severity of ulcerative colitis (UC). Therefore, this cross-sectional study was undertaken to assess the association between FODMAP score and UC severity.
Methods:
In this study, 158 patients with UC were enrolled. The disease severity was designated using the Mayo score. The diet relation information was obtained using the 160-item food frequency questionnaire. To calculate the FODMAP score, the consumption of all food items was converted to a gram per day and multiplied by the FODMAP factor. The FODMAP factor was obtained from the application developed by Monash University (Melbourne, Victoria, Australia). The association between disease severity (dependent factor) and FODMAP score tertiles (independent factors) was assessed by logistic regression adjusted for different covariates.
Results:
In the present study, the age range of participants was 18 to 64 y old, and 46.2% of patients had moderate or severe disease activity. There were significant differences in sex, body mass index, and supplement use across different tertiles of FODMAP score. There was no significant association between the FODMAP score tertiles and disease severity in the crude model and adjusted models.
Conclusions:
The results of the present study showed that there was no significant association between the FODMAP score and UC severity. However, considering the limitations of the study, more studies with prospective and interventional designs using more accurate methods of dietary assessments are needed to confirm these preliminary results.
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