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Cancer Survival Analysis01:21

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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...

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Related Experiment Video

Updated: Jun 13, 2026

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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A Web-Based Decision Aid for Informed Prostate Cancer Screening: Development and Pilot Evaluation.

Wonyoung Jung1,2, In Young Cho3, Keun Hye Jeon4

  • 1Department of Family Medicine/Obesity and Metabolic Health Center, Kangdong Sacred Heart Hospital, Hallym University, Seoul, Korea.

Journal of Korean Medical Science
|November 28, 2023
PubMed
Summary

A new web-based tool for prostate cancer screening decision-making increased knowledge and reduced screening intention in men. The decision aid was found useful, particularly for younger individuals considering screening.

Keywords:
Decision AidDecisional ConflictInformed Decision-MakingKnowledgeProstate Cancer Screening

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Area of Science:

  • Urology
  • Public Health
  • Health Informatics

Background:

  • Prostate-specific antigen (PSA) screening lacks consensus on mortality benefits, leading to uncertainty in clinical practice.
  • There is a need for tools to support informed decision-making regarding prostate cancer screening.
  • A web-based decision aid (DA) was developed to address this need.

Purpose of the Study:

  • To develop and evaluate a web-based decision aid (DA) for prostate cancer screening.
  • To assess the DA's impact on men's knowledge, attitude, and intention regarding screening.
  • To measure decisional conflict and perceived usefulness of the DA.

Main Methods:

  • The DA was developed using the International Patient Decision Aid Standards (IPDAS) model, incorporating patient and clinician input.
  • A pilot study involved 101 healthy men evaluating the DA's effectiveness.
  • Measurements included knowledge, attitude, intention to screen, decisional conflict, and usefulness.

Main Results:

  • Knowledge about prostate cancer screening significantly increased after using the DA (p < 0.001).
  • Intention to *not* screen increased substantially (27.7% to 51.5%, p < 0.001), while attitude remained unchanged (p = 0.564).
  • The DA demonstrated high usefulness (77.35/100), with 85% finding it helpful for decision-making and most reporting no decisional conflict.

Conclusions:

  • The web-based decision aid effectively enhanced knowledge and reduced screening intention.
  • High perceived usefulness suggests clinical relevance for informed prostate cancer screening decisions.
  • The tool may be particularly beneficial for younger men considering screening.