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Prostate Int. 2018 Jun;6(2):41-45. doi: 10.1016/j.prnil.2017.11.003. Epub 2017 Dec 8.

The incidence of prostate cancer in Iran: a systematic review and meta-analysis.

Author information

1
Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.
2
Zabol University of Medical Sciences, Zabol, Iran.
3
Department of Epidemiology and Biostatistics, Tehran University of Medical Sciences, Tehran, Iran.

Abstract

Background:

Prostate cancer is one of the most common cancers among men. There are various estimates of prostate cancer incidence from different geographical areas in Iran. In addition, no systematic reviews are available regarding the incidence rate of prostate cancer in Iran. Therefore, the present systematic review aimed to address this epidemiological gap.

Method:

This systematic review was performed based on the preferred reporting items for systematic reviews and meta-analyses in July 2017. In doing so, the researchers searched Medline/PubMed, Scopus, Embase, ScienceDirect, and Google Scholar for international articles and four Iranian databases (Scientific Information Database, MagIran, IranMedex, and IranDoc) for Persian articles.

Result:

A total of 274 titles were retrieved in the initial search of the databases. Further refinement and screening of the retrieved studies produced a total of 21 studies. Based on the random-effect model, the age-standardized rate of prostate cancer was 9.11 and 95% confidence interval was 8.19-10.04. Besides, the results of Cochran's test indicated the heterogeneity of the studies (Q = 1457.8, df = 46.0, I2 = 96.8%, P < 0.001).

Conclusion:

The incidence of prostate cancer was lower in Iran than in the other parts of the world. Yet, establishing cancer registries covering a broader perspective of the population and conducting further studies are required to map out the exact incidence rate and trend of prostate cancer in Iran.

KEYWORDS:

Epidemiology; Incidence; Iran; Prostate cancer

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