Survival Rate of Colorectal Cancer in Iran: A Systematic Review and Meta-Analysis
Colorectal cancer
survival rate
meta-analysis
Iran
Journal
Asian Pacific journal of cancer prevention : APJCP
ISSN: 2476-762X
Titre abrégé: Asian Pac J Cancer Prev
Pays: Thailand
ID NLM: 101130625
Informations de publication
Date de publication:
25 Jan 2019
25 Jan 2019
Historique:
entrez:
26
1
2019
pubmed:
27
1
2019
medline:
18
5
2019
Statut:
epublish
Résumé
Background: Different studies have been conducted to estimate the survival rate of colorectal cancer in Iran but
there is no overall estimate of the survival rate. The aim of this study was to calculate the pooled 1, 3, and 5-year survival
rate of the patients with colorectal cancer in Iran. Methods: To retrieve relevant studies, we conducted a systematic
search in Iranian databases, including Iran Medex, Magiran, SID, and international databases such as Medlin/PubMed,
Scopus, and Google scholar using “Colorectal Neoplasms” and “Survival Rate” as keywords up to December 1st, 2017.
We used random effect model to estimate pooled 1, 3, and 5-year survival rates of the patients with colorectal cancer
in Iran. To assess the heterogeneity, we used Chi-squared test at the 5 % significance level (p <0.05) and I2 Index. We
used meta-regression and subgroup analysis to find a potential source of heterogeneity. Results: After a systematic
search, 196 articles were found, of the 38 studies met the eligibility criteria and are included in our meta-analysis. The
pooled 1, 3, and 5-year survival rates in patient with colorectal cancer were 0.84 (95% CI: 0.81-0.87), 0.64 (95%CI:
0.59-0.70), and 0.54 (95%CI: 0.49-0.58) respectively. The 5-year survival rate in the subgroup of women was 0.5
(0.44-0.56) and in male subgroup was 0.44 (0.40-0.48). In a subgroup of the tumor site, the 5-year survival rate in colon
cancer was 0.6 (0.49-0.75) and rectum cancer was 0.54 (0.36-0.69). In multivariable models, there was a significant
association between years of study and 5-year survival rate as a source of heterogeneity (β = 18.9, P=0.01). Conclusion:
According to the results of this study, women had a better survival rate than men, and according to the tumor site, the
5-year survival rate in colon cancer was better than the rectum cancer.
Identifiants
pubmed: 30677864
doi: 10.31557/APJCP.2019.20.1.13
pmc: PMC6485573
Types de publication
Journal Article
Meta-Analysis
Systematic Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
13-21Informations de copyright
Creative Commons Attribution License
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