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CC BY-NC-ND 4.0 · Endosc Int Open 2020; 08(11): E1584-E1594
DOI: 10.1055/a-1236-3007
Original article

Accuracy of convolutional neural network-based artificial intelligence in diagnosis of gastrointestinal lesions based on endoscopic images: A systematic review and meta-analysis

Babu P. Mohan
1   Gastroenterology & Hepatology, University of Utah Health, Salt Lake City, Utah, United States
,
Shahab R. Khan
2   Gastroenterology, Rush University Medical Center, Chicago, Illinois, United States
,
Lena L. Kassab
3   Internal Medicine, Mayo Clinic, Rochester, Minnesota, United States
,
Suresh Ponnada
4   Internal Medicine, Roanoke Medical Center, Roanoke, Virginia, United States
,
Parambir S. Dulai
5   Gastroenterology and Hepatology, University of California, San Diego, California, United States
,
Gursimran S. Kochhar
6   Division of Gastroenterology and Hepatology, Allegheny Health Network, Pittsburgh, Pennsylvania, United States
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Abstract

Background and study aims Recently, a growing body of evidence has been amassed on evaluation of artificial intelligence (AI) known as deep learning in computer-aided diagnosis of gastrointestinal lesions by means of convolutional neural networks (CNN). We conducted this meta-analysis to study pooled rates of performance for CNN-based AI in diagnosis of gastrointestinal neoplasia from endoscopic images.

Methods Multiple databases were searched (from inception to November 2019) and studies that reported on the performance of AI by means of CNN in the diagnosis of gastrointestinal tumors were selected. A random effects model was used and pooled accuracy, sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) were calculated. Pooled rates were categorized based on the gastrointestinal location of lesion (esophagus, stomach and colorectum).

Results Nineteen studies were included in our final analysis. The pooled accuracy of CNN in esophageal neoplasia was 87.2 % (76–93.6) and NPV was 92.1 % (85.9–95.7); the accuracy in lesions of stomach was 85.8 % (79.8–90.3) and NPV was 92.1 % (85.9–95.7); and in colorectal neoplasia the accuracy was 89.9 % (82–94.7) and NPV was 94.3 % (86.4–97.7).

Conclusions Based on our meta-analysis, CNN-based AI achieved high accuracy in diagnosis of lesions in esophagus, stomach, and colorectum.

Supplementary material



Publikationsverlauf

Eingereicht: 22. April 2020

Angenommen: 08. Juli 2020

Artikel online veröffentlicht:
22. Oktober 2020

© 2020. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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