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Multiple Sclerosis Epidemiology in Middle East and North Africa: A Systematic Review and Meta-Analysis Publisher Pubmed



Heydarpour P1 ; Khoshkish S1 ; Abtahi S1 ; Moradilakeh M2 ; Sahraian MA1
Authors
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Authors Affiliations
  1. 1. MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Community Medicine, Iran University of Medical Sciences, Tehran, Iran

Source: Neuroepidemiology Published:2015


Abstract

Background: Multiple sclerosis (MS) is one of the most common neurological disorders and a leading cause of nontraumatic disability in young adults in many countries. Recent reports from the Middle East and North Africa have suggested a moderate to high risk of MS in these countries. Methods: A literature search was performed in August 2014 in MEDLINE, EMBASE, and IMEMR to retrieve original population-based studies on MS epidemiology in the Middle East and North African countries published between 1st January 1985 and 1st August 2014. We designed search strategies using the key words: MS, prevalence, incidence, and epidemiology. According to the inclusion criteria, 52 studies were included in this systematic review. Results: McDonald's criteria were the most widely used diagnostic criteria in the studies. Most studies were conducted in single hospitalbased centers with a defined catchment area. The female/male ratio ranged from 0.8 in Oman to 4.3 in Saudi Arabia. MS prevalence ranged from 14.77/100,000 population in Kuwait (2000) to 101.4/100,000 in Turkey (2006). The overall MS prevalence in the region was 51.52/100,000. The mean age at disease onset ranged from 25.2 years in Kuwait to 32.5 years in Northeastern Iran, with an overall estimate of 28.54 years. Conclusions: Recent advances in MS registries will allow nation-wide studies and temporal comparisons between countries, provided that age- and sex-standardized estimates are available. © 2015 S. Karger AG, Basel.
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