Sep 11, 2025

Public workspaceSurvival and Mortality of Cancer (SAMOC)

  • amani.maatouk 1,
  • merioumakacem 1,
  • Cyrine Bennasrallah1,
  • Wafa Dhouib1,
  • Manel Bouatay1,
  • Amel Gara1,
  • Manel Njima1,
  • Moncef Mokni1,
  • Sonia Zaied1,
  • Ines Bouanene1,
  • belguith_asma 1,
  • Imen Zemni1
  • 1University of Monastir Faculty of Medicne Monastir
  • Survival and Mortality of Cancer (SAMOC)
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Protocol Citationamani.maatouk , merioumakacem , Cyrine Bennasrallah, Wafa Dhouib, Manel Bouatay, Amel Gara, Manel Njima, Moncef Mokni, Sonia Zaied, Ines Bouanene, belguith_asma , Imen Zemni 2025. Survival and Mortality of Cancer (SAMOC). protocols.io https://dx.doi.org/10.17504/protocols.io.81wgbw4pogpk/v1
Manuscript citation:
This protocol is associated with three manuscripts that have been submitted for publication and are currently under review. Full citations will be provided upon acceptance.
License: This is an open access protocol distributed under the terms of the Creative Commons Attribution License,  which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
Protocol status: Working
We use this protocol and it's working
Created: September 11, 2025
Last Modified: September 11, 2025
Protocol Integer ID: 227009
Keywords: Cancer, Incidence, Mortality, Survival Rate, Epidemiology, Screening, Cohort Studies, Disability-Adjusted Life Years, Cancer registry, Tunisia, cancer registry of central tunisia, secondary cancer prevention strategies in tunisia, indicators of cancer mortality, cancer mortality, mortality of cancer, cancer survival, cancer registry, estimating cancer, robust estimates of cancer survival, national mortality database, mortality status, cancer management, mortality, national death registry, secondary cancer prevention strategy, national death registries in collaboration, tunisian governorate, cancer, specific survival, tunisia, oncology department, central tunisia, patient outcome, public health planning, essential for public health planning, national health insurance fund,
Disclaimer
The views and conclusions expressed in this study are solely those of the authors and do not necessarily reflect the official positions of the Ministry of Social Affairs, the University Hospital of Monastir, or any other affiliated institutions. All data were handled according to ethical approvals and applicable privacy regulations, and the authors accept no responsibility for any use or interpretation of the findings.
Abstract
Indicators of cancer mortality are essential for public health planning. In Tunisia, significant progress has been made in cancer management, including enhanced screening, treatment availability, and reimbursement through the National Health Insurance Fund.
The Survival And Mortality Of Cancer (SAMOC) study is a prospective observational protocol designed to assess the impact of these advances on patient outcomes by estimating cancer-specific survival and mortality. SAMOC includes all patients diagnosed with cancer in a Tunisian governorate between 2002 and 2014. Data were obtained from the Cancer Registry of Central Tunisia and cross-verified with the Regional Register of Hospital Morbidity and oncology departments. Mortality status was ascertained through a multi-step process using hospital records and national death registries in collaboration with the Ministry of Social Affairs and municipalities with access to the national mortality database.
This updated protocol refines data linkage, verification steps, and integration of multiple data sources to maximize completeness and accuracy. The study will provide robust estimates of cancer survival, mortality, and trends, informing targeted primary and secondary cancer prevention strategies in Tunisia and comparable settings.
Image Attribution
All figures were created by the authors.
Guidelines
STROBE (Strengthening the Reporting of Observational Studies in Epidemiology)
Materials
  • Patient data from: Regional Register of Hospital Morbidity (Monastir)
Cancer Registry of the Center of Tunisia
Hospital oncology departments (Fattouma Bourguiba University Hospital, Monastir; Farhat Hached University Hospital, Sousse)
  • Hospital computerized admission and index registries
  • Municipal mortality records (Ministry of Social Affairs / National Informatics Center)
  • Computer with Microsoft Excel and Microsoft Access
  • Statistical software: SPSS v21
  • Data anonymization tools / secure storage system
  • Translators for Arabic-to-French data conversion
Troubleshooting
Safety warnings
Patient data are sensitive; strict confidentiality and data protection measures must be followed at all times.
- Ensure all ethical approvals and data access permissions are in place before accessing hospital or national records.
- Matching and merging databases must be done carefully to avoid duplicates or misclassification of patients.
- Manual translation of names from Arabic to French requires verification to prevent mismatches in mortality data.
- Incomplete or missing data may limit analyses; carefully document any assumptions or exclusions.
- The protocol involves handling large datasets; ensure proper software and hardware resources to prevent data loss.
Ethics statement
This study involves human data and was conducted in accordance with national and international ethical standards for research involving human subjects. Prior approval was obtained from the Ethics Committee of the Faculty of Medicine of Monastir (Tunisia; approval number IORG 0009738 N°101/OMB 0990-0279) and from the National Authority for Protection of Personal Data of Tunisia. Anonymity and confidentiality of all patient data were strictly maintained, and all data access was authorized by the relevant authorities prior to analysis.
Before start
This study assesses cancer survival and mortality in the governorate of Monastir (2002–2018). All necessary ethical approvals were obtained from the Faculty of Medicine of Monastir and the National Authority for Protection of Personal Data (Tunisia). Access to patient data requires authorization from the Ministry of Social Affairs and participating hospital departments. All patient identifiers will be anonymized prior to analysis. Cancer sites are classified according to ICD-10 (2008 version). Ensure secure data storage and compliance with confidentiality protocols before starting data extraction.


Protocol references
Ben Khelil M, Kamel M, Lahmar S, Mrabet A, Borsali Falfoul N, Hamdoun M. Death certificate accuracy in a Tunisian Emergency Department. Tunis Med. 2017;95(6):422-428.
2.         Michel E, Jougla E. Principaux indicateurs utilisés pour l'analyse descriptive des causes médicales de décès (Main indicators used for the descriptive analysis of medical causes of death). Bull Cancer. 2000;87(10):755-759.
3.         World Health Organization. Cancer. https://www.who.int/news-room/fact-sheets/detail/cancer. Cited 7 February 2023.
4.         Ministère de la Santé, Institut national de la santé. Statistiques nationales sur les causes de décès en Tunisie 2020 . 2021. http://www.santetunisie.rns.tn/images/statistiques-deces2021.pdf. Cited 7 February 2023.
5.         Institut National de Santé Publique. Causes médicales de décès. http://www.insp.rns.tn/index.php?option=com_content&view=section&id=26&Itemid=224. Cited 7 February 2023.
6.         World Health Organization. International Statistical Classification of Diseases and Related Health Problems, 10 th Revision (ICD-10) Version for 2008. Available from URL: https://icd.who.int/browse10/2008/en#/II. Cited 7 May 2023.
7. Institut National de la Statistique. Statistiques | INS [Internet]. [cited 2025 Apr 2]. Available from: https://www.ins.tn/statistiques/111
Acknowledgements
The authors thank Mr. Sofiene Hemissi and Mr. Helmi Soltani (Tunisian Ministry of Social Affairs), as well as Mr. Amor Ayed (Computer Department, University Hospital of Monastir, Tunisia) for their valuable contributions to data collection. The authors also acknowledge the assistance of ChatGPT in drafting and refining sections of the manuscript. We extend our gratitude to the late Prof. Bouzakoura for establishing the Cancer Registry of the Center of Tunisia and to the late Prof. Soltani for creating the Hospital Morbidity and Mortality Registry in Monastir.