Characterization of studied population
Between January 1, 2019 and August 31, 2021, a total of 1001 cVEEG studies were performed. We excluded 92 studies on patients with therapeutic hypothermia and 299 studies on critically ill patients. We analyzed the results of 609 studies on 549 patients. There were 294 females (53.5%) and 255 males (46.5%), aged between 65-101 years, mean 76.35 years, SD 7.58. Sixty patients had multiple studies.
Characterization of studied factors
Long-term cVEEG studies extended on average for 30.39 hours, SD 19.37, range 6-160 hours. PNES was diagnosed in 18 out of 549 patients (3.3%). There were three males and fifteen females. The average age was 77 years, ranging between 65-95 years. Ten patients had anxiety, six had depression, five had history of trauma, including sexual abuse. Other diagnoses included substance abuse, bipolar disorder, and cognitive impairment. Eight patients had concomitant epilepsy.