Impact of User’s Background Knowledge and Polyp Characteristics in Colonoscopy with Computer-Aided Detection

Bibliographic Details
Title: Impact of User’s Background Knowledge and Polyp Characteristics in Colonoscopy with Computer-Aided Detection
Authors: Jooyoung Lee, Woo Sang Cho, Byeong Soo Kim, Dan Yoon, Jung Kim, Ji Hyun Song, Sun Young Yang, Seon Hee Lim, Goh Eun Chung, Ji Min Choi, Yoo Min Han, Hyoun-Joong Kong, Jung Chan Lee, Sungwan Kim, Jung Ho Bae
Source: Gut and Liver, Vol 18, Iss 5, Pp 857-866 (2024)
Publisher Information: Gastroenterology Council for Gut and Liver, 2024.
Publication Year: 2024
Collection: LCC:Diseases of the digestive system. Gastroenterology
Subject Terms: colonoscopy, polyps, artificial intelligence, Diseases of the digestive system. Gastroenterology, RC799-869
More Details: Background/Aims: We investigated how interactions between humans and computer-aided detection (CADe) systems are influenced by the user’s experience and polyp characteristics.Methods: We developed a CADe system using YOLOv4, trained on 16,996 polyp images from 1,914 patients and 1,800 synthesized sessile serrated lesion (SSL) images. The performance of polyp detection with CADe assistance was evaluated using a computerized test module. Eighteen participants were grouped by colonoscopy experience (nurses, fellows, and experts). The value added by CADe based on the histopathology and detection difficulty of polyps were analyzed.Results: The area under the curve for CADe was 0.87 (95% confidence interval [CI], 0.83 to 0.91). CADe assistance increased overall polyp detection accuracy from 69.7% to 77.7% (odds ratio [OR], 1.88; 95% CI, 1.69 to 2.09). However, accuracy decreased when CADe inaccurately detected a polyp (OR, 0.72; 95% CI, 0.58 to 0.87). The impact of CADe assistance was most and least prominent in the nurses (OR, 1.97; 95% CI, 1.71 to 2.27) and the experts (OR, 1.42; 95% CI, 1.15 to 1.74), respectively. Participants demonstrated better sensitivity with CADe assistance, achieving 81.7% for adenomas and 92.4% for easy-to-detect polyps, surpassing the standalone CADe performance of 79.7% and 89.8%, respectively. For SSLs and difficult-to-detect polyps, participants' sensitivities with CADe assistance (66.5% and 71.5%, respectively) were below those of standalone CADe (81.1% and 74.4%). Compared to the other two groups (56.1% and 61.7%), the expert group showed sensitivity closest to that of standalone CADe in detecting SSLs (79.7% vs 81.1%, respectively).Conclusions: CADe assistance boosts polyp detection significantly, but its effectiveness depends on the user’s experience, particularly for challenging lesions.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 1976-2283
Relation: http://gutnliver.org/journal/view.html?doi=10.5009/gnl240068; https://doaj.org/toc/1976-2283
DOI: 10.5009/gnl240068
Access URL: https://doaj.org/article/0f5e6325e8b24f1b84c9893a0c858151
Accession Number: edsdoj.0f5e6325e8b24f1b84c9893a0c858151
Database: Directory of Open Access Journals
More Details
ISSN:19762283
DOI:10.5009/gnl240068
Published in:Gut and Liver
Language:English