Analysis of Hospitalization Data From ZOC

May 16, 2021 updated by: Haotian Lin, Sun Yat-sen University

Analysis of Hospitalization Data in Zhongshan Ophthalmology Center

The real-world electronic health records (EHR) were derived from the hospitalization of Zhongshan Ophthalmic Center (ZOC) of Sun Yat-sen University from 1998-2020 to investigate the ophthalmology diagnosis and treatment activities.

Study Overview

Status

Recruiting

Conditions

Study Type

Observational

Enrollment (Anticipated)

560000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

  • Name: Haotian Lin, Ph.D, M.D.
  • Phone Number: +86-020-87330274
  • Email: gddlht@aliyun.com

Study Locations

  • China
    • Guangdong
      • Guangzhou, Guangdong, China, 510060
        • Recruiting
        • Zhongshan Ophthalmic Center, Sun Yat-sen Univerisity
        • Contact:

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

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients have retrospective inpatient records of ZOC from 1998 to 2020.

Description

Inclusion Criteria:

  • have retrospective inpatient records of ZOC from 1998 to 2020

Exclusion Criteria:

  • Demographic data missing
  • Diagnosis data missing

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

Cohorts and Interventions

Group / Cohort
inpatients of ZOC
Patients have retrospective hopitalization record of ZOC from 1998 to 2020.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The prevalence of primary diagnosis
Time Frame: baseline
calculate the prevalence of the primary diagnosis of inpatient visits
baseline

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The prevalence of secondary diagnosis
Time Frame: baseline
calculate the prevalence of the secondary diagnosis of inpatient visits
baseline
Demographics
Time Frame: baseline
Demographics of inpatient visits
baseline
costs of inpatient visits
Time Frame: baseline
costs of inpatient visits
baseline

Collaborators and Investigators

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

Sponsor

Sun Yat-sen University

Investigators

  • Principal Investigator: Haotian Lin, Ph.D, M.D., Zhongshan Ophthalmic Center, Sun Yat-sen Univerisity

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)

March 18, 2021

Primary Completion (Actual)

April 1, 2021

Study Completion (Anticipated)

December 30, 2021

Study Registration Dates

First Submitted

March 18, 2021

First Submitted That Met QC Criteria

May 16, 2021

First Posted (Actual)

May 18, 2021

Study Record Updates

Last Update Posted (Actual)

May 18, 2021

Last Update Submitted That Met QC Criteria

May 16, 2021

Last Verified

May 1, 2021

More Information

Terms related to this study

Other Study ID Numbers

  • HBD2021

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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