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J Res Health Sci. 2022;22(2): e00552.
doi: 10.34172/jrhs.2022.87
PMID: 36511264
PMCID: PMC9818038
Scopus ID: 85134621945
  Abstract View: 702
  PDF Download: 258
  Full Text View: 172

Original Article

Evaluation of Survival Rate and Associated Factors in Patients with Cervical Cancer: A Retrospective Cohort Study

Fatemeh-sadat Tabatabaei, Arefeh Saeedian, Amirali Azimi, Kasra Kolahdouzan, Ebrahim Esmati*, Afsaneh Maddah Safaei
*Corresponding Author: Email: eb_esmati@yahoo.com

Abstract

Background: Cervical cancer, the most common gynecological cancer, is a matter of concern, especially in developing countries. The present study investigates survival rates, associated factors, and post-treatment follow-up status in cervical cancer patients.

Study Design: A retrospective cohort study.

Methods: This study was conducted on 187 patients referred to an academic referral cancer center in Iran from 2014-2020. Overall survival (OS) and event-free survival (EFS) were evaluated using Kaplan Meyer analysis. The event was defined as recurrence, metastasis, or death.

Results: The patients came for post-treatment visits for a median of 36 months (interquartile range [IQR]: 18-51). The median OS and EFS were 24 and 18 months, respectively. The 1- and 3- year OS rates were 90% and 72%, respectively. The 1- and 3- year EFS rates were 76% and 61%, respectively. Stage ≥ III (hazard ratio [HR]: 3.1, 95% confidence interval [CI]: 1.5, 6.5, P < 0.001) and tumor size > 4 cm (HR: 2.5, 95% CI: 1.2, 4.9, P = 0.006) predicted lower OS. The most common histopathology was squamous cell carcinoma (SCC) (71.1%) with non-significant higher 3- year OS (HR: 0.62, 95% CI: 0.33, 1.16, P = 0.13). No significant difference in OS was found between adjuvant and definitive radiotherapy in both early and advance-staged patients (Log-rank = 0.7 P = 0.4, log-rank = 1.6, P = 0.2, respectively).

Conclusion: As evidenced by the obtained results, the survival of patients was lower compared to that in developed countries. Higher stage and tumor size led to shorter survival. The histopathology and type of treatment in comparable stages did not have any significant impact on survival.

 

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Submitted: 29 May 2022
Revision: 12 Jul 2022
ePublished: 30 Jun 2022
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