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. 2023 Dec;8(4):1340-1349.
doi: 10.1002/epi4.12802. Epub 2023 Oct 21.

Prevalence of epilepsy in Morocco: A population-based study

Affiliations

Prevalence of epilepsy in Morocco: A population-based study

Zouhayr Souirti et al. Epilepsia Open. 2023 Dec.

Abstract

Objective: In Morocco, there was a lack of data related to the epidemiology of epilepsy. This data serves as a useful basis for the development of any national intervention or action program against epilepsy in Morocco. Through this study, we aimed to estimate the active and lifetime prevalence of epilepsy in Morocco.

Methods: We collected data from eight out of 12 Moroccan regions in two steps: In the screening step, we first used a nationwide telephone diagnosis questionnaire and in the second stage, a team of physicians under the direction of an epileptologist conducted a confirmative survey for suspected cases. We fixed the confidence interval at α = 5% and the precision at 0.02.

Results: Up to 3184 responded positively to our invitation to participate in this study and were able to answer the questions of the first diagnostic questionnaire. In the diagnostic phase, physicians in neurology reinterviewed all 86 suspected cases using a confirmative diagnosis questionnaire, and 63 persons were confirmed as having lifetime epilepsy and 56 with active epilepsy. The mean age (Mean ± SD) of persons with epilepsy was 35.53 years (±21.36). The prevalence of lifetime and active epilepsy were 19.8 (19.6-20.0) and 17.6 (17.5-17.8) per 1000 (95% confidence interval), respectively.

Significance: This is the first study to estimate the active and lifetime prevalence of epilepsy in Morocco according to the international recommendations of the ILAE. The prevalence of lifetime and active epilepsy were 19.8 (15-24.6) and 17.6 (13.3-22.8) per 1000, respectively. We included both children and elderly subjects. The rates of active and lifetime population epilepsy prevalence in Morocco ranged between Asian and sub-Saharan Africa low- and middle-income countries.

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Conflict of interest statement

Neither of the authors has any conflict of interest to disclose.

Figures

FIGURE 1
FIGURE 1
Flowchart demonstrating the study process and steps. PNES, psychogenic nonepileptic events.
FIGURE 2
FIGURE 2
(a) Geographical situation of Morocco and (b) the relevant active epilepsy prevalence according to Moroccan regions in 2022. CP, Civic population; PAE, Prevalence of Active Epilepsy.

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