Abstract
ObjectiveIn the current era of the World Health Organization's Intersectoral Global Action Plan on Epilepsy and Other Neurological Disorders 2022–2031 (IGAP), precise and updated estimates of epilepsy burden are vital in formulating policies to improve the care of persons with epilepsy, especially in Asian countries with significant treatment gap. Hence, we aimed to consolidate the available data and quantify epilepsy prevalence and incidence estimates in Asian countries. MethodsWe systematically searched PubMed, Embase, Ovid, and Scopus databases from inception until March 2023 for studies reporting epilepsy prevalence and incidence in Asian countries. We applied random effects meta-analysis to generate the pooled prevalence and incidence using the Meta package in R. Additionally, we performed a subgroup meta-analysis to explore the potential sources of heterogeneity. A meta-regression analysis was conducted to examine the trend of epilepsy over time. ResultsA total of 99 studies with 100,654,124 participants were included in the meta-analysis. The pooled prevalence was 5.6 per 1000 (95 % confidence interval (CI) 4.4–6.8) for active epilepsy and 6.7 per 1000 (95 % CI 5.7–7.9) for lifetime epilepsy. The pooled incidence rate of epilepsy was 52.5 per 100,000 person-years (95 % CI 42.7–79.4). The subgroup analysis revealed a higher prevalence of active epilepsy (6.7/1000) and lifetime epilepsy (8.6/1000) in West Asia than in other regions. The funnel plot and Egger's test (p-value =<0.0001) revealed publication bias for active epilepsy. ConclusionOur findings highlight a high prevalence of active and lifetime epilepsy in West Asia and emphasize the necessity of implementing and formulating specific strategies to tackle the epilepsy burden in this region. Furthermore, high-quality epidemiological studies incorporating economic burdens and comorbidities associated with epilepsy in Asia are still needed.
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