Description of Patients With Acute Venous Thromboembolism in the UK's Clinical Practice Research Datalink Linked With Hospital Episode Statistics Dataset (CPRD-HES)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

38409 participants

Study Classification

OBSERVATIONAL

Study Start Date

2014-09-30

Study Completion Date

2015-12-31

Brief Summary

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This study will utilize a retrospective cohort design. Using the Clinical Practice Research Datalink (CPRD) linked with Hospital Episode Statistics (HES) datasets, all patients with a record of VTE diagnosis between 1 April, 2008 and 31 March, 2013 will be identified and followed from the occurrence of VTE (index date) to the first of 24 months after the index date, end of the study period, leaving the database, or death.

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Detailed Description

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Conditions

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Venous Thromboembolism

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Population with condition and with exposure

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

VTE events will be included if:

* they are identified by at least one Read code diagnosis of acute VTE in the CPRD, or one ICD-10 code of VTE in the HES database, during the study period; and
* they occurred in patients ≥ 18 years old at time of VTE occurrence; and
* CPRD acceptability quality criteria are present

Exclusion Criteria

VTE events will be excluded if:

* Patients have fewer than 12 months of computerized data available prior to VTE occurrence. The date of start of computerized records will be the latter of the patient's date of current registration with the practice or the practice's Up-to-Standard (UTS) date (date from which practice data is of research quality)

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No