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A semi-structured questionnaire was used to record the following; socio-demographic data(age, gender, residence, occupation, insurance status and level of education), co-morbidities, hepatitis C history and assessment (date and circumstance of diagnosis, potential risk factors, complications, HCV genotype, viral load, METAVIR fibrosis and activity scores), neurologic symptom review, physical examination findings, neurological examination findings and results of investigations.
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