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Dietary intake of fiber, fruit and vegetables decreases the risk of incident kidney stones in women: A women's health initiative report

  • Author(s): Sorensen, MD;
  • Hsi, RS;
  • Chi, T;
  • Shara, N;
  • Wactawski-Wende, J;
  • Kahn, AJ;
  • Wang, H;
  • Hou, L;
  • Stoller, ML
  • et al.
Abstract

Results Mean age of the women was 64±7 years, 85% were white and 2,937 (3.5%) experienced a kidney stone in a median followup of 8 years. In women with no history of kidney stones higher total dietary fiber (6% to 26% decreased risk, p <0.001), greater fruit intake (12% to 25% decreased risk, p <0.001) and greater vegetable intake (9% to 22% decreased risk, p=0.002) were associated with a decreased risk of incident kidney stone formation in separate adjusted models. In women with a history of stones there were no significant protective effects of fiber, fruit or vegetable intake on the risk of kidney stone recurrence.

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