LGI1 and viral encephalitis: Also, in patients with anti-LGI1/CASPR2 antibody-mediated encephalitis, ivMP + IVIG or ivMP + PE treatment did not result in a significantly different mRS outcome (anti-NMDAR p = 0.80; Fig. 5C; anti-LGI1/CASPR2 p = 0.38; Fig. 5D).