Increased Tea Consumption is Associated With a Decreased Risk of Renal Stone Disease in a Taiwanese Population

National Cheng-Kung University Hospital13,842 enrolled

Overview

The objective of the this study was to examine the amount and duration of tea consumption in relation to the risk of renal stone disease.

Previous studies have investigated the association between tea consumption and renal stone disease, but the results are still unclear. Besides, the impact of the duration of tea consumption has not yet been investigated in the aforementioned studies. The present study was conducted as a retrospective research to investigate the relationship between both tea consumption amount and time and renal stone disease. Information on tea consumption was obtained by four closed-ended questions in questionnaires, and the diagnosis of renal stones was established on the results of abdominal sonography.

Study Type

OBSERVATIONAL

Enrollment

13,842

Conditions

Renal Stone

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * ≥ 18 years old Exclusion Criteria: * individuals with a history of hyperuricemia or gout at baseline, findings of abdominal ultrasound showing transplant kidney, only one kidney, or gouty nephropathy, or missing data

Outcomes

Primary Outcomes

Renal stone diseases

The diagnosis of renal stones was established on the results of abdominal sonography

Time frame: health check-ups from June 2001 to August 2009

Data from ClinicalTrials.gov

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