Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/135790
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Type: | Journal article |
Title: | Validation and reliability testing of a rating scale for objective assessment of performance in laparoscopic appendicectomy surgery |
Author: | Sirimanna, P. Ravindran, P. Smigielski, M. Gladman, M.A. Naganathan, V. |
Citation: | ANZ Journal of Surgery, 2022; 92(7):1731-1736 |
Publisher: | Wiley |
Issue Date: | 2022 |
ISSN: | 1445-1433 1445-2197 |
Statement of Responsibility: | Pramudith Sirimanna, Praveen Ravindran, Michelle Smigielski, Marc A Gladman, and Vasi Naganathan |
Abstract: | Backgrounds: To achieve a competency-based training paradigm, the ability to obtain reliable and valid quantitative assessments of intraoperative performance is required. Through this, weaknesses can be identified and practiced, and competency assessed. This study aimed to determine the validity and reliability an objective evaluation tool for assessment of performance in laparoscopic appendicectomy (LA). Methods: A prospective single-blinded observational study design was used. Videos of inexperienced (performed <10 LAs) and experienced (performed >100 LAs) surgeons per-forming LA surgery were collected. Surgical performance during each recording was rated by two independent, blinded expert surgeons using the LA Rating Scale (LARS) and the modified Objective Structured Assessment of Technical Skill (OSATS) scale. Results: The intraclass correlation coefficient (ICC) for LARS was 0.95 (95%CI 0.83–0.98). The ICC for each step ranged from 0.48 to 0.90, and the test–retest ICC for LARS was 0.91 (95%CI 0.69–0.98). Significant differences (P< 0.001) between median performance scores as rated by LARS were observed between the inexperienced and experienced surgeons. A Spearman’s correlation coefficient of 0.87 (P< 0.001) was observed between LARS performance scores and modified OSATS scores. Conclusion: LARS demonstrated excellent inter-rater and test–retest reliability, and con-struct and concurrent validity and can be used to quantitatively evaluate performance during LA. This can potentially allow specific weaknesses to be identified and improved upon through deliberate practice. Progress can be tracked through re-evaluation and scores of expert surgeons can be used as performance goals for credentialing in LA. |
Keywords: | competency-based training; laparoscopic appendicectomy; rating scales; surgical education; technical skills assessment |
Description: | First published: 24 June 2022 |
Rights: | © 2022 The Authors.ANZ Journal of Surgery published by John Wiley & Sons Australia, Ltd on behalf of Royal Australasian College of Surgeons. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. |
DOI: | 10.1111/ans.17862 |
Grant ID: | http://purl.org/au-research/grants/nhmrc/GNT1093784 |
Published version: | http://dx.doi.org/10.1111/ans.17862 |
Appears in Collections: | Medicine publications |
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hdl_135790.pdf | Published version | 453.33 kB | Adobe PDF | View/Open |
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