Survival rate and prognostic factors for Colorectal cancer in Sabah, Borneo, Malaysia: A retrospective cohort of a population-based study

Puteri Nureylia Amir and Richard Avoi and Siti Norbayah Yusof and Syed Sharizman Syed Abdul Rahim and Fredie Robinson and Nelbon Giloi and Muhammad Aklil Abd. Rahim and Naing Oo Tha and Mohd Yusof Ibrahim and Mohammad Saffree Jeffree and Mohd Firdaus Mohd Hayati (2022) Survival rate and prognostic factors for Colorectal cancer in Sabah, Borneo, Malaysia: A retrospective cohort of a population-based study. Asian Pacific Journal of Cancer Prevention, 23. pp. 1885-1891. ISSN 1513-7368

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Abstract

Background: Colorectal cancer is a major public health problem with significant number of cases and death in the population. This study aimed to determine the 5-year overall survival rate and the prognostic factors for colorectal cancer patients in Sabah. Methods: This was a retrospective cohort study conducted using secondary data from Malaysian National Cancer Registry (MNCR) database. A 5-year overall survival and the median survival time were determined with Kaplan-Meier survival curve. Cox regression analysis was done to determine the prognostic factors on survival. Results: A total of 1,152 patients were included in this study. The majority of the patients had colon cancer and presented at late stage (stage III and IV) as compared to early stage (stage I and II). From the analysis, the 5-year overall survival for colorectal cancer was 23.2% (95% CI: 21.8, 24.6) and the median survival time was 16 months (95% CI: 14.3, 17.7). Higher survivals are seen in males (23.6%, 95% CI: 20.4, 24.7), aged 50-74 years old (24.2%, 95% CI: 22.4, 26.0), Chinese (25.5%, 95% CI: 23.0, 28.0), lived in Keningau (25.6%, 95% CI: 20.8, 30.4), colon as primary tumor site (24.5%, 95% CI: 22.5, 26.4), diagnosed with stage I (55.6%, 95% CI: 48.7, 62.5) and received surgery with chemotherapy or radiotherapy (31.3%, 95% CI: 27.8, 34.8). The significant prognostic factor was the stage at diagnosis. Patients with stage IV colorectal cancer (HR: 11.18; 95% CI: 3.48, 35.93) had eleven times risk of dying as compared to stage I. Conclusion: The survival rate for colorectal cancer patients in Sabah was comparatively lower than other states in Malaysia and in some Asian countries. Those patients who presented at later stage had poorer survival. Health promotion and community-based screening program should be emphasized in addition to encouraging early diagnosis to improve survival.

Item Type: Article
Keyword: Colorectal cancer , Survival , Prognostic factors , Malaysia , Sabah
Subjects: R Medicine > RC Internal medicine > RC31-1245 Internal medicine > RC254-282 Neoplasms. Tumors. Oncology Including cancer and carcinogens
Department: FACULTY > Faculty of Medicine and Health Sciences
Depositing User: SAFRUDIN BIN DARUN -
Date Deposited: 24 Aug 2022 10:18
Last Modified: 24 Aug 2022 10:18
URI: https://eprints.ums.edu.my/id/eprint/33905

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