Sensitivity of electroencephalogram in the diagnosis of epilepsy among patients attending a neuropsychiatric hospital in Northern Nigeria
Accepted: 12 April 2020
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Electroencephalography (EEG) is an essential adjunct in management of epilepsy. While some studies reported that EEG has a high sensitivity in detecting epileptic seizures, others disagree. Therefore, it is important to know sensitivity of this important procedure in our setting. This was a cross-sectional study carried out from 2015 to 2018. Participants were patients attending the outpatient clinic of a psychiatric hospital to achieve care for epileptic seizures. Ethical clearance was obtained prior to the conduct of this study. In addition, informed consent was obtained from each patient or their caregivers. Data analysis was done using SPSS version 20. The study involved 177 participants aged 2-70 years (median = 17 years). The male to female ratio was 2:1. The mean duration of illness was 7.8±5.8 (range = 1-35 years). Sensitivity of EEG was 70.6%. There was no difference between either age, gender or duration of illness and probability of having an abnormal EEG. EEG is sensitive in the diagnosis of epilepsy in our setting. Future studies should focus on factors influencing sensitivity of EEG in diagnosis of epilepsy.
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