Risk factors for comorbid epilepsy in patients with psychogenic non-epileptic seizures. Dataset of a large cohort study
Table 1 shows the raw dataset of patients diagnosed with Psychogenic non-epileptic seizures (PNES) in our Epilepsy Monitoring Unit (EMU) between May 2001 and February 2011, and their prospective follow-up until September 2016. It includes patients with or without comorbid epilepsy. The following demographic and clinical variables are included in the table: gender, age at the EMU admission, number of children, marital status, maximum education degree, present and past employment status, valid or suspended driving license and reason, age at PNES onset and years with PNES, frequency of PNES at the time of EMU admission, duration of longest PNES seizure according to either patient or witness (whichever was considered more accurate), report of minor head trauma - stated as a concussion or lesser injury that should not cause an increased risk of epilepsy- by the patient as immediately preceding the initial PNES, neuropsychological evaluation (with the Minnesota Multiphasic Personality Inventory test) results, family history of epilepsy, personal history of febrile seizures, developmental disabilities, meningitis/meningoencephalitis, traumatic brain injury – as amnesia, alteration or loss of consciousness or neurologic deficits after a blow to head - brain lesions on neuroimaging considered of risk for epilepsy, history of substance abuse, dementia (Alzheimer’s disease or any other), other neurological or psychiatric medical conditions, history of active suicidal ideation, description of the seizures signs and symptoms, their auras and triggers, EEG findings, type of epilepsy if associated, number of Anti-Seizure Medications (ASM) at EMU admission and discharge, and the outcome of the spells and ASM intake during the follow-up after the EMU discharge (only ASM prescribed for the treatment of the seizures where counted). The categories in which each variable was divided are described in the headline of the columns.
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