4.7 Article

The association between weight-adjusted-waist index and abdominal aortic calcification in adults aged ≥ 40 years: results from NHANES 2013-2014

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SCIENTIFIC REPORTS
卷 12, 期 1, 页码 -

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NATURE PORTFOLIO
DOI: 10.1038/s41598-022-24756-8

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资金

  1. National Natural Science Foundation of China [U21A2098, 82000702]
  2. Sichuan Science and Technology Program [2022YFS0147, 2022NSFSC1936, 2022NSFSC1353]
  3. Science and Technology Achievement Transformation Fund of West China Hospital of Sichuan University [CGZH19006]
  4. Med-X Innovation Programme of Med-X Center for Materials of Sichuan University [MCM202101]
  5. 1.3.5 project for disciplines of excellence from West China Hospital of Sichuan University [ZYJC21010]
  6. Med+ Biomaterial Institute of West China Hospital/West China School of Medicine of Sichuan University [ZYME20001]

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This study found a positive association between weight-adjusted-waist index (WWI) and abdominal aortic calcification (AAC), indicating that WWI may serve as a simple biomarker for AAC in US adults aged >= 40 years.
The negative effects of obesity on the cardiovascular health have drawn much attention. Weight-adjusted-waist index (WWI) has been proved to reflect weight-independent centripetal obesity. However, the association between WWI and abdominal aortic calcification (AAC) has not been reported before. Using data from National Health and Nutrition Examination Survey 2013-2014, we aimed to determine the relationship of WWI and AAC in adults aged >= 40 years. WWI was determined by dividing waist circumference by the square root of weight. AAC was measured by dual-energy X-ray absorptiometry and quantified by Kauppila scores. Severe AAC (SAAC) was defined as an AAC score > 6. We utilized weighed multivariable logistic regression and generalized additive model to explore the independent association between WWI and AAC. Threshold effects were further calculated by two-piecewise linear regression model. 3082 participants were enrolled in our analysis, of which 48.2% were male. WWI was positively associated with AAC scores (beta = 0.34, 95% CI 0.05-0.63) and exhibited a nonlinear relationship with SAAC. On the left of the breakpoint (WWI = 11.11), WWI and SAAC were positively associated (OR = 2.86, 95% CI 1.40-5.84), while no such relationship was found on the right (OR = 1.07, 95% CI 0.77-1.48). Our findings indicated that WWI may serve as a simple biomarker of AAC in US adults aged >= 40 years.

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