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The Association of Dietary Inflammatory Index With Urinary Risk Factors of Kidney Stones Formation in Men With Nephrolithiasis Publisher Pubmed



Maddahi N1 ; Yarizadeh H1 ; Aghamir SMK2 ; Alizadeh S1 ; Yekaninejad MS3 ; Mirzaei K1
Authors
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Authors Affiliations
  1. 1. Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), P.O. Box: 14155-6117, Tehran, Iran
  2. 2. Department of Urology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Source: BMC Research Notes Published:2020


Abstract

Objective: Inflammation plays a leading role in the pathogenesis of nephrolithiasis. The association of the dietary inflammatory index (DII) with urinary lithogenic factors is unclear. This study aimed to evaluate the relation of DII to urinary risk factors of kidney stones formation. Results: Of 264 participants, 61.4% (n = 162), 72% (n = 190), 74.6% (n = 197), 68.6% (n = 181), and 80.3% (n = 212) had hyperoxaluria, hypercreatininuria, hypercalciuria, hyperuricosuria, hypocitraturia, respectively. There was a significant increasing trajectory in urinary calcium, uric acid, and creatinine as well as a decreasing trend in urinary citrate across tertiles of DII score (all P = ≤0.001). After multivariate adjustment for energy intake, age, physical activity and body mass index, high DII scores were associated with elevated odds of having hypercreatininuria (OR = 2.80, 95%CI: 1.10-7.12, Ptrend = 0.04), hypercalciuria (OR = 7.44, 95%CI: 2.62-21.14, Ptrend ≤ 0.001), hyperuricosuria (OR = 2.22, 95%CI: 1.001-4.95, Ptrend = 0.05), and hypocitraturia (OR = 5.84, 95%CI: 2.14-15.91, Ptrend ≤ 0.001). No association was identified between DII and hyperoxaluria. © 2020 The Author(s).
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