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Meta-Analysis
. 2024 Jan;45(1):75-82.
doi: 10.1007/s10072-023-07057-4. Epub 2023 Sep 8.

The prevalence of multiple sclerosis (MS) in Oceania, a systematic review, and meta-analysis

Abdorreza Naser Moghadasi  1 , Narges Ebrahimi  2   3 , Elahe Haghparast  4 , Mohsen Rastkar  5 , Mahdieh Mokhberdezfuli  1 , Mahsa Ghajarzadeh  6   7
Affiliations
Meta-Analysis

The prevalence of multiple sclerosis (MS) in Oceania, a systematic review, and meta-analysis

Abdorreza Naser Moghadasi et al. Neurol Sci. 2024 Jan.

Abstract

Background: Oceania is a continent, covering more than 8 million km2, with a population of more than 44 million people. In different countries landing in Oceania, various prevalence of MS has been reported, so we designed this systematic review and meta-analysis to estimate the pooled prevalence of MS in Oceania.

Methods: We systematically searched PubMed, Scopus, EMBASE, Web of Science, and Google Scholar. We also searched references of included studies, and conference abstracts. The search was done on January 1, 2023, by two independent researchers. We extracted the name of the first author, country, publication year, prevalence period, number of study participants, total female and male population, disease duration, type of MS, mean duration of the disease, mean age at disease onset, mean Expanded Disability Status Scale (EDSS), and total female and male patients with MS.

Results: A literature search revealed 81,044 records; after deleting duplicates, 38,260 records remained. One hundred and six full texts were evaluated, and finally, seventeen studies remained for systematic review. Most studies were done in Newcastle; eight studies were done in 1961, 8 in 1981, 2 in 1996, and 2 in 2001. In all other years, only one study was done. The pooled prevalence of MS in 1961 in Oceania was estimated as 19.85/100,000 (I2=70.3%, p=0.001). The pooled prevalence of MS in 1981 in Oceania was estimated as 39.07/100,000 (I2 =88%, p=0.001).

Conclusions: The result of this systematic review and meta-analysis shows that the prevalence of MS has increased dramatically during the timespan in Oceania.

Keywords: Multiple sclerosis; Oceania; Prevalence.

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