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Published on: February 13, 2020
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Improving diagnostic performance of coronavirus disease 2019 rapid antigen testing through computer-based feedback
Masato Matsuda1, Kosuke Itoh2, Takahiro Sugai1
1Medical Laboratory Division, Niigata University Medical and Dental Hospital, 1-754, Asahimachi-dori, Chuo-ku, Niigata, 951-8520, Japan.
Summary
Computer-based feedback training significantly improved rapid antigen test (RAT) result interpretation skills, particularly for detecting faint lines. This method offers an effective way to enhance diagnostic accuracy without extensive traditional training.
Area of Science:
- Medical Diagnostics
- Biotechnology
- Health Informatics
Background:
- Rapid antigen tests (RATs) rely on visual interpretation, which can be subjective and lead to missed weak positive results.
- Training is often required to improve accuracy, but it can be time-consuming and resource-intensive.
- A novel computer-based feedback training method was developed to address these limitations.
Purpose of the Study:
- To evaluate the effectiveness of a computer-based feedback training method for improving diagnostic skills in reading coronavirus disease 2019 (COVID-19) rapid antigen tests.
- To compare the impact of feedback training versus simple test experience on result interpretation accuracy.
Main Methods:
- Twenty-two medical technologists were randomized into two groups: feedback-training and test-experience.
- Participants' initial result readout skills were assessed using COVID-19 RAT images.
- The feedback-training group received computer-based training with corrective feedback, while the test-experience group accumulated experience without feedback.
Main Results:
- The feedback-training group demonstrated a statistically significant improvement in their hit rate (correctly identifying positive results) post-training.
- The test-experience group showed no significant improvement in hit rate.
- Enhanced detection of weak positive lines was a key outcome of the feedback training.
Conclusions:
- Computer-based feedback training is an effective method for enhancing the accuracy of rapid antigen test result interpretation.
- This approach can improve diagnostic skills, especially in identifying subtle positive results.
- The developed training method offers a valuable tool for improving RAT readout proficiency.
