The association between dietary inflammatory index with endometriosis: NHANES 2001–2006

Pan-Wei Hu, Bi-Rong Yang, Xiao-Le Zhang, Xiao-Tong Yan, Juan-Juan Ma, Cong Qi and Guo-Jing Jiang

PLOS ONE, 2023, vol. 18, issue 4, 1-10

Abstract: Endometriosis is a common chronic inflammatory and estrogen-dependent disease that mostly affects people of childbearing age. The dietary inflammatory index (DII) is a novel instrument for assessing the overall inflammatory potential of diet. However, no studies have shown the relationship between DII and endometriosis to date. This study aimed to elucidate the relationship between DII and endometriosis. Data were acquired from the National Health and Nutrition Examination Survey (NHANES) 2001–2006. DII was calculated using an inbuilt function in the R package. Relevant patient information was obtained through a questionnaire containing their gynecological history. Based on an endometriosis questionnaire survey, those participants who answered yes were considered cases (with endometriosis), and participants who answered no were considered as controls (without endometriosis) group. Multivariate weighted logistic regression was applied to examine the correlation between DII and endometriosis. Subgroup analysis and smoothing curve between DII and endometriosis were conducted in a further investigation. Compared to the control group, patients were prone to having a higher DII (P = 0.014). Adjusted multivariate regression models showed that DII was positively correlated with the incidence of endometriosis (P

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0283216

DOI: 10.1371/journal.pone.0283216

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