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Concordance of a Web-based Lung Cancer Risk Self-Assessment Tool With Nursing Risk Assessment
Ifeoma Iloghalu1, Kirk Graff2, Matthew Warkentin2
1Division of Preventive Medicine, Department of Medicine, University of Alberta, Edmonton, AB, Canada.
CHEST Pulmonary
|August 4, 2026
Summary
The Alberta Lung Cancer Screening Program
Area of Science:
- Pulmonary Medicine
- Oncology
- Health Informatics
Background:
- The Alberta Lung Cancer Screening Program utilizes a web-based tool for risk self-assessment.
- This tool is based on the Prostate, Lung, Colorectal, Ovarian Model 2012 (PLCOm2012).
Purpose of the Study:
- To evaluate the accuracy of the PLCOm2012-based web self-assessment tool for lung cancer risk.
- To compare self-reported data with assessments by program nurses in Alberta.
Main Methods:
- A retrospective analysis of administrative data from the Alberta Lung Cancer Screening Program.
- Comparison of user online entries with matched program nurse assessments for 384 participants.
- Assessment of concordance and impact of discordant data on lung cancer risk estimation.
Main Results:
- High concordance (>95%) was observed between web entries and nurse assessments for most data points.
- Concordance for education, smoking intensity, and duration was slightly lower (90%-92%).
- Despite discrepancies in one-third of participants, eligibility was rarely affected (3.7%).
Conclusions:
- The web-based PLCOm2012 risk assessment tool demonstrates high feasibility and concordance with nurse assessments.
- Occasional data discordance can impact lung cancer risk scores, underscoring the need for healthcare provider confirmation.
- Healthcare provider confirmation remains crucial for accurate lung cancer risk assessment prior to screening.
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