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

October 23, 2017 updated by: National Cheng-Kung University Hospital

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

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.

Study Overview

Status

Completed

Conditions

Detailed Description

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 (Actual)

13842

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

N/A

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

examinees who were ≥ 18 years old and underwent health check-ups with abdominal sonography at the health examination center of National Cheng Kung University Hospital

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Retrospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Renal stone diseases
Time Frame: health check-ups from June 2001 to August 2009
The diagnosis of renal stones was established on the results of abdominal sonography
health check-ups from June 2001 to August 2009

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

National Cheng-Kung University Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

June 1, 2001

Primary Completion (Actual)

August 1, 2009

Study Completion (Actual)

August 1, 2009

Study Registration Dates

First Submitted

October 18, 2017

First Submitted That Met QC Criteria

October 22, 2017

First Posted (Actual)

October 24, 2017

Study Record Updates

Last Update Posted (Actual)

October 25, 2017

Last Update Submitted That Met QC Criteria

October 23, 2017

Last Verified

October 1, 2017

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • B-ER-106-066

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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