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OBJECTIVE: To systematically evaluate the risk factors of post-encephalitis epilepsy (PEE). METHODS: Systematic computerized searches of databases such as Cochrane Library, PubMed and EMBASE were performed. The meta-analysis of pooled odds ratios and 95% confidence intervals for PEE risk were calculated. RESULTS: Sixteen studies with 2504 patients were included for meta-analysis. The results showed that PEE was associated with coma, seizure, status epilepticus, cranial MRI abnormality, focal EEG abnormality, and positive herpes simplex virus (HSV) in cerebrospinal fluid (CSF). CONCLUSION: Coma, seizures or status epilepticus, abnormal MRI and focal EEG, and HSV in CSF were the risk factors of PEE.