Consuming added sugars positively correlated with development of kidney stones
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Key takeaways:
- Patients with the most added sugar energy intake had a 39% increased risk for kidney stones.
- Those consuming more than 25% of their total energy from added sugars had 88% higher odds of having kidney stones.
A higher percentage of energy intake from added sugars may be linked to an increased prevalence of kidney stones, according to recently published data.
“Added sugars are associated with multiple adverse outcomes, and there is controversy regarding the appropriate upper limit for added sugar,” Shan Yin, MD, a researcher at the Affiliated Hospital of North Sichuan Medical College in Nanchong, China, and colleagues wrote in the study. After adjusting for age, gender, race and income, the researchers found “the percentage of energy intake from added sugars was positively correlated with kidney stones.”
Researchers drew data from the U.S. National Health and Nutrition Examination Survey between 2007 and 2018 to survey a sample of 28,303 adults with a history of kidney stones. Participants provided dietary recall data both in a face-to-face interview and phone interview between 3 and 10 days after consumption, and daily added sugar intake was calculated based on a detailed makeup of their diet. Investigators used weighted proportions, multivariable logistic regression analysis and stratified logistic regression to evaluate associations between added sugars and kidney stones, adjusting for confounders.
At the start of the study, participants with a higher intake of added sugars had a higher current incidence of kidney stones. The overall mean intake of added sugars was 272.1 calories per day, which equaled to 13.2% of the total daily energy intake, according to the researchers.
Participants in the upper quartile of added sugar energy intake had a 39% increased risk for kidney stones, while those consuming more than 25% of their total energy from added sugars had 88% higher odds vs. their peers who consumed less than 5%, according to the results.
Researchers also found that “non-white” and lower-income groups had higher odds for developing kidney stones when exposed to above-average quantities of added sugars.
Because the study was an uncontrolled observational trial, some confounding factors may exist, Yin said in a press release. Further research is needed to explore the relationship between added sugar and various diseases or pathological conditions. “For example, what types of kidney stones are most associated with added sugar intake? How much should we reduce our consumption of added sugars to lower the risk of kidney stone formation?” Yin said in the release. “Nevertheless, our findings already offer valuable insights for decision-makers.”
Reference:
- Consuming added sugars may increase risk of kidney stones. https://www.newswise.com/articles/consuming-added-sugars-may-increase-risk-of-kidney-stones?sc=dwhr&xy=10007438. Published July 31, 2023. Accessed Aug. 10, 2023.
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