LGI1 and viral encephalitis: After exclusion criteria were applied, a total of 185 patients with AE remained, including 79 patients with anti-NMDAR encephalitis, 55 with anti-LGI1 encephalitis, 30 with anti-CASPR2 encephalitis, 16 with anti-GABABR encephalitis, and 5 with anti-AMPAR encephalitis.