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. 2021 Sep 27;8(1):e000753. doi: 10.1136/bmjgast-2021-000753

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Output obtained during the training and development of the convolutional neural network. The bars represent the probability estimated by the network. The finding with the highest probability was outputted as the predicted classification. A blue bar represents a correct prediction. Red bars represent an incorrect prediction. P0L: lymphangiectasia; P0X: xanthomas; P1E: mucosal erosions; P1U: P1 ulcers; P2U: P2 ulcers; P1RS: P1 red spots; P2V: P2 vascular lesions; P1P: P1 protruding lesions; P2P: P2 protruding lesions. The prefixes P0, P1, and P2 refer to the haemorrhagic potential according to Saurin’s classification.