Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis

Al‐Sarireh, Hashim; Al‐Sarireh, Ahmad; Hajibandeh, Shahin; HAJIBANDEH, SHAHAB

doi:10.1111/ans.70277

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Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis

Hashim Al‐Sarireh

, Ahmad Al‐Sarireh

, Shahin Hajibandeh, SHAHAB HAJIBANDEH

ANZ Journal of Surgery, Volume: 95, Issue: 10, Pages: 2073 - 2079

Swansea University Author: SHAHAB HAJIBANDEH

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DOI (Published version): 10.1111/ans.70277

Abstract

AimsTo evaluate the prognostic significance of the weekend effect in patients undergoing emergency laparotomy.MethodsA STROCSS-compliant retrospective cohort study (in three centres between January 2014 and January 2022) with complementary PRISMA-compliant meta-analysis (last search on 10 February 2...

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Published in:	ANZ Journal of Surgery
ISSN:	1445-1433 1445-2197
Published:	Wiley 2025
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa70044

first_indexed	2025-07-28T11:02:21Z
last_indexed	2026-01-24T05:32:15Z
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spelling	2026-01-23T11:40:56.4732921 v2 70044 2025-07-28 Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis b95fa4fe8ce5515ba689c728410200bd SHAHAB HAJIBANDEH SHAHAB HAJIBANDEH true false 2025-07-28 AimsTo evaluate the prognostic significance of the weekend effect in patients undergoing emergency laparotomy.MethodsA STROCSS-compliant retrospective cohort study (in three centres between January 2014 and January 2022) with complementary PRISMA-compliant meta-analysis (last search on 10 February 2025) was conducted. All adult patients undergoing non-traumatic emergency laparotomy were considered eligible. Emergency laparotomy during weekends (Saturday, Sunday and public holidays) was the prognostic factor of interest, and emergency laparotomy during weekdays (Monday, Tuesday, Wednesday, Thursday and Friday) was the comparison. Thirty-day mortality was the outcome.ResultsThe cohort study included 1952 patients and a search of electronic databases identified five retrospective cohort studies including 5374 patients. Consequently, 7326 patients (weekend group: 2035; weekdays group: 5291) were included for analyses. Both groups were comparable in terms of median age (67 years vs. 65, p = 0.194), being an octogenarian (17.9% vs. 17.9%, p = 0.970), male sex (41.9% vs. 45.7%, p = 0.153), ASA I status (4.5% vs. 6.7%, p = 0.080), ASA II (33.6% vs. 35.2%, p = 0.524), ASA III (46.6% vs. 41.6%, p = 0.060), ASA IV (14.7% vs. 15.2%, p = 0.764), ASA V (0.6% vs. 1.3%, p = 0.249), need for bowel resection (54.0% vs. 57.6%, p = 0.172) and peritoneal contamination (26.4% vs. 29.2%, p = 0.236). There was no difference in the risk of 30-day mortality between the two groups (OR: 1.04, 95% CI 0.87–1.25, p = 0.650; I2 = 0%). The GRADE certainty was high.ConclusionsRobust evidence with high certainty suggests that the weekend effect does not influence the risk of mortality after emergency laparotomy. This could be explained by the standardisation of perioperative care in patients undergoing emergency laparotomy. Journal Article ANZ Journal of Surgery 95 10 2073 2079 Wiley 1445-1433 1445-2197 laparotomy; mortality; weekend 1 10 2025 2025-10-01 10.1111/ans.70277 COLLEGE NANME COLLEGE CODE Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University 2026-01-23T11:40:56.4732921 2025-07-28T11:59:27.9856654 Faculty of Medicine, Health and Life Sciences Swansea University Medical School - Biomedical Science Hashim Al‐Sarireh 0009-0002-7794-4096 1 Ahmad Al‐Sarireh 0009-0000-9882-5075 2 Shahin Hajibandeh 3 SHAHAB HAJIBANDEH 4 70044__34963__adbd80884f484e46989a7ce792b95564.pdf 70044.VoR.pdf 2025-08-18T13:20:30.2696010 Output 360465 application/pdf Version of Record true © 2025 The Author(s). This is an open access article under the terms of the Creative Commons Attribution License. true eng http://creativecommons.org/licenses/by/4.0/
title	Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis
spellingShingle	Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis SHAHAB HAJIBANDEH
title_short	Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis
title_full	Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis
title_fullStr	Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis
title_full_unstemmed	Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis
title_sort	Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis
author_id_str_mv	b95fa4fe8ce5515ba689c728410200bd
author_id_fullname_str_mv	b95fa4fe8ce5515ba689c728410200bd_***_SHAHAB HAJIBANDEH
author	SHAHAB HAJIBANDEH
author2	Hashim Al‐Sarireh Ahmad Al‐Sarireh Shahin Hajibandeh SHAHAB HAJIBANDEH
format	Journal article
container_title	ANZ Journal of Surgery
container_volume	95
container_issue	10
container_start_page	2073
publishDate	2025
institution	Swansea University
issn	1445-1433 1445-2197
doi_str_mv	10.1111/ans.70277
publisher	Wiley
college_str	Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id	facultyofmedicinehealthandlifesciences
hierarchy_top_title	Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id	facultyofmedicinehealthandlifesciences
hierarchy_parent_title	Faculty of Medicine, Health and Life Sciences
department_str	Swansea University Medical School - Biomedical Science{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}Swansea University Medical School - Biomedical Science
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description	AimsTo evaluate the prognostic significance of the weekend effect in patients undergoing emergency laparotomy.MethodsA STROCSS-compliant retrospective cohort study (in three centres between January 2014 and January 2022) with complementary PRISMA-compliant meta-analysis (last search on 10 February 2025) was conducted. All adult patients undergoing non-traumatic emergency laparotomy were considered eligible. Emergency laparotomy during weekends (Saturday, Sunday and public holidays) was the prognostic factor of interest, and emergency laparotomy during weekdays (Monday, Tuesday, Wednesday, Thursday and Friday) was the comparison. Thirty-day mortality was the outcome.ResultsThe cohort study included 1952 patients and a search of electronic databases identified five retrospective cohort studies including 5374 patients. Consequently, 7326 patients (weekend group: 2035; weekdays group: 5291) were included for analyses. Both groups were comparable in terms of median age (67 years vs. 65, p = 0.194), being an octogenarian (17.9% vs. 17.9%, p = 0.970), male sex (41.9% vs. 45.7%, p = 0.153), ASA I status (4.5% vs. 6.7%, p = 0.080), ASA II (33.6% vs. 35.2%, p = 0.524), ASA III (46.6% vs. 41.6%, p = 0.060), ASA IV (14.7% vs. 15.2%, p = 0.764), ASA V (0.6% vs. 1.3%, p = 0.249), need for bowel resection (54.0% vs. 57.6%, p = 0.172) and peritoneal contamination (26.4% vs. 29.2%, p = 0.236). There was no difference in the risk of 30-day mortality between the two groups (OR: 1.04, 95% CI 0.87–1.25, p = 0.650; I2 = 0%). The GRADE certainty was high.ConclusionsRobust evidence with high certainty suggests that the weekend effect does not influence the risk of mortality after emergency laparotomy. This could be explained by the standardisation of perioperative care in patients undergoing emergency laparotomy.
published_date	2025-10-01T05:31:48Z
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score	11.095902

Weekend Effect and Mortality After Emergency Laparotomy: A Retrospective Cohort Study With Complimentary Meta‐Analysis

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