Retrospective Cohort Study
Copyright ©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastrointest Endosc. Nov 16, 2022; 14(11): 672-683
Published online Nov 16, 2022. doi: 10.4253/wjge.v14.i11.672
Quality of colonoscopy performed by medical or surgical specialists and trainees in five Australian hospitals
Tsai-Wing Ow, Olga A Sukocheva, Vy Tran, Richard Lin, Shawn Zhenhui Lee, Matthew Chu, Bianca Angelica, Christopher K Rayner, Edmund Tse, Guru Iyngkaran, Peter A Bampton
Tsai-Wing Ow, Olga A Sukocheva, Vy Tran, Richard Lin, Christopher K Rayner, Edmund Tse, Peter A Bampton, Department of Gastroenterology and Hepatology, Royal Adelaide Hospital, Adelaide 5000, SA, Australia
Tsai-Wing Ow, Department of Gastroenterology and Hepatology, Flinders Medical Centre, Bedford Park 5042, SA, Australia
Shawn Zhenhui Lee, Matthew Chu, Department of Gastroenterology and Hepatology, The Queen Elizabeth Hospital, Woodville South 5011, SA, Australia
Bianca Angelica, Department of Gastroenterology, Royal Darwin Hospital, Darwin 0810, NT, Australia
Guru Iyngkaran, Department of Gastroenterology and Hepatology, Royal Melbourne Hospital, Parkville 3050, VIC, Australia
Author contributions: Ow TW, Rayner CK, Tse E, Iyngkaran G and Bampton PA were involved in the conception of the study; Ow TW, Tran V, Lin R, Lee SZ, Chu M and Angelica B collected the data; Ow TW performed the analysis and drafted the manuscript; Sukocheva OA, Iyngkaran G and Bampton PA critically reviewed the manuscript and data analysis; the final manuscript was approved by all authors.
Institutional review board statement: The study was reviewed and approved by the Central Adelaide Local Health Network ethics committee (reference number: 13167).
Informed consent statement: A waiver of consent was granted for this retrospective study by the ethical review board as participant involvement in the study carried no more than low risk. Please refer to the institutional review board approval document.
Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.
Data sharing statement: Original data collected in this study cannot be shared publicly because of ethics approval limitation. Data are available from the CALHN ethics committee (contact for researchers who meet the criteria for access to confidential data.
STROBE statement: The authors have read the STROBE Statement-checklist of items, and the manuscript was prepared and revised according to the STROBE Statement-checklist of items.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (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 and the use is non-commercial. See:
Corresponding author: Tsai-Wing Ow, FRACP, MBBS, Doctor, Department of Gastroenterology and Hepatology, Royal Adelaide Hospital, Port Road, Adelaide 5000, SA, Australia.
Received: August 19, 2022
Peer-review started: August 19, 2022
First decision: September 2, 2022
Revised: September 19, 2022
Accepted: October 31, 2022
Article in press: October 31, 2022
Published online: November 16, 2022
Core Tip

Core Tip: We evaluated the quality of colonoscopy performed at five teaching hospitals in Australia, using bowel preparation quality, procedure completion, and detection of cancer, adenoma, and serrated lesions as main indicators. In our retrospective analysis of 2443 procedures, the collective performance met national benchmarks for quality. However, two hospitals individually failed to meet all national benchmarks and we observed significant differences in key metrics of adenoma detection and adequacy of bowel preparation for colonoscopy across all hospitals. Higher adenoma detection rates were also independently shown amongst medical compared with surgical proceduralists, and amongst female patients.