LGI1 and encephalitis: Besides, the COVID-19-related encephalitis group was more likely to present with fever during the disease course than the LGI1-antibody encephalitis group (χ2 = 11.19, p < 0.01) and less likely to present with psychiatric impairments during the disease course compared with NMDAR-antibody encephalitis group (χ2 = 6.20, p = 0.01).