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Meta-Analysis
. 2020 Mar 17;20(1):53.
doi: 10.1186/s12905-020-00903-z.

Incidence trend of breast Cancer in women of eastern Mediterranean region countries from 1998 to 2019: A systematic review and meta-analysis

Razieh Zahedi  1 , Hossein Molavi Vardanjani  2 , Mohammad Reza Baneshi  1 , Ali Akbar Haghdoost  1 , Reza Malekpour Afshar  3 , Roghayeh Ershad Sarabi  4 , Fatemeh Tavakoli  5 , Farzaneh Zolala  6
Affiliations
Meta-Analysis

Incidence trend of breast Cancer in women of eastern Mediterranean region countries from 1998 to 2019: A systematic review and meta-analysis

Razieh Zahedi et al. BMC Womens Health. .

Abstract

Background: This study was conducted to provide evidence on the current status of breast cancer and its incidence trend in Eastern Mediterranean Region during 1998-2019. Also, this study aimed to investigate the association between the incidence of breast cancer and Human Development Index and some factors related to this index, including total fertility rate, and obesity, using a meta-analysis.

Method: Data on incidence of breast cancer were collected from various sources, including PubMed, Embase, Web of Science, and WHO, from 1998 to 2019 using systematic review and meta-analysis. Pooled age standardized rate was calculated based on study duration and quality of data using a subgroup analysis and random effect meta-analysis.

Results: A total of 80 studies (545 data points) were analyzed. Pooled age standardized rate of breast cancer for Eastern Mediterranean Region was 37.1 per 100,000 person-year (95% confidence interval [CI], 34.5, 39.8) during 2011-2019. age standardized rate of breast cancer had an upward trend in Eastern Mediterranean Region from 2005 to 2019. However, the increasing trend was found to be slightly different in various regions based on quality of data. Moreover, pooled age standardized rate had a significant association with Human Development Index [- 89.2 (95% CI, - 119.8, - 58.7)] and obesity [1.2 (95% CI, 0.9, 1.5)].

Conclusion: Pooled age standardized rate of breast cancer in Eastern Mediterranean Region was lower than the global average. Also, the age standardized rate value and its incremental trend have been higher in countries with high-quality data than in other countries of this region in recent years. Data quality or physiological factors, such as increase in obesity rates, could be the reasons for this incremental trend.

Keywords: Breast cancer; Eastern Mediterranean region; Incidence; Meta-analysis.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Fig. 1
Fig. 1
The selection process of papers relevent to the systematic review
See this image and copyright information in PMC

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