Consumer health informatics approach for personalized cancer screening decisions using utility functions.

Abstract:

:A consumer health informatics approach is used to investigate the development of a patient-centered decision support system (DSS) with individualized utility functions. It supports medical decisions that have uncertain benefits and potential harms. Its use for accepting or declining cancer screening is illustrated. The system's underlying optimization model incorporates two user-specific utility functions-one that quantifies life-saving benefits and one that quantifies harms, such as unnecessary follow-up tests, surgeries, or treatments. The system requires sound decision making. Therefore, the decision making process was studied using a decision aid in the form of a color-coded matrix with the potential outcomes randomly placed in proportion to their likelihoods. Data were collected from 48 study participants, based on a central composite experimental design. The results show that the DSS can be effective, but health consumers may not be rational decision makers.

journal_name

Health Informatics J

authors

Maleyeff J,Chen D

doi

10.1177/1460458220949484

subject

Has Abstract

pub_date

2020-12-01 00:00:00

pages

2877-2891

issue

4

eissn

1460-4582

issn

1741-2811

journal_volume

26

pub_type

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