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Online Field Test of an Appendicitis Decision Support Tool

Online Field Test of an Appendicitis Decision Support Tool

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05219786
Enrollment
194
Registered
2022-02-02
Start date
2021-10-06
Completion date
2021-10-06
Last updated
2022-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Appendicitis Acute

Keywords

decision support, decision aid, decisional conflict

Brief summary

After the recent publication of the CODA Trial comparing antibiotics and surgery for acute appendicitis, the investigators developed a comprehensive decision support tool. This tool will help patients understand the risks and benefits of each treatment and make a treatment decision. This study is an online randomized field test comparing the decision support tool to a control infographic and assessing it's affect on decisional outcomes, such as decisional conflict.

Interventions

BEHAVIORALAppendicitis Decision Support Tool

Viewing of a decision support tool.

BEHAVIORALControl Infographic

Viewing of a standardized infographic

Sponsors

National Institutes of Health (NIH)
CollaboratorNIH
Patient-Centered Outcomes Research Institute
CollaboratorOTHER
University of Washington
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

who live in the United States and who have not previously had appendicitis. * Workers on Amazons Mechanical Turk Platform with an approval rating of 95% or higher * Workers on Amazons Mechanical Turk Platform who live in the United States * Workers on Amazons Mechanical Turn Platform who have not previously had appendicitis

Exclusion criteria

* Employees or relatives of employees of the University of Washington

Design outcomes

Primary

MeasureTime frameDescription
Decisional Conflict Pre vs. Post InterventionAt time of enrollmentAssessed using the validated decisional conflict scale comparing only participants in the intervention arm before and after viewing the decision support tool.

Secondary

MeasureTime frameDescription
Decisional Conflict Between ArmsAt time of enrollmentTotal score on the validated decisional conflict scale after viewing the intervention support tool or the control infographic. Scale ranges from 0-100 with higher scores being worse.
AcceptabilityAt time of enrollmentBetween arm comparison of the acceptability of the information presented to the participants rated on a 4 point acceptability scale with higher scores representing higher acceptability.
Trust and Accuracy of InformationAt time of enrollmentParticipants perception of the trustworthiness and accuracy of the information presented to them on a 5 point scale with higher scores representing a higher perceived trustworthiness and perceived accuracy.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026