NCT04849195

Brief Summary

Using traditional machine learning classifiers, this study targets on comparing bag-of-words, word2cec and roberta on automated ICD coding related to cardiovascular diseases in Chinese corpus.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
6,947

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Mar 2021

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2021

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2021

Completed
12 days until next milestone

First Submitted

Initial submission to the registry

April 13, 2021

Completed
6 days until next milestone

First Posted

Study publicly available on registry

April 19, 2021

Completed
Last Updated

April 19, 2021

Status Verified

April 1, 2021

Enrollment Period

1 month

First QC Date

April 13, 2021

Last Update Submit

April 13, 2021

Conditions

Cardiovascular Diseases

Outcome Measures

Primary Outcomes (1)

  • ICD-10 codes for each admission

    Each admission will be a sample in this study. The ICD-10 codes assigned by medical coders for each admission will be collected as the primary outcome.

    At the end of enrollment

Study Arms (1)

Model training and test group

Data set will be split into training group and test group, where training group will be used for model building, and test group for subsequent evaluation and verification.

Other: No intervention

Interventions

No interventionOTHER

No intervention

Model training and test group

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Admissions in Fuwai Hospital

You may qualify if:

  • Admissions in Fuwai Hospital, from January 1, 2019, to February 28, 2019

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Fuwai Hospital

Beijing, Beijing Municipality, 100037, China

Location

MeSH Terms

Conditions

Cardiovascular Diseases

Study Officials

  • Wei Zhao, PhD

    China National Center for Cardiovascular Diseases

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 13, 2021

First Posted

April 19, 2021

Study Start

March 1, 2021

Primary Completion

April 1, 2021

Study Completion

April 1, 2021

Last Updated

April 19, 2021

Record last verified: 2021-04

Data Sharing

IPD Sharing
Will not share

Locations

CN(1)