MOG and viral encephalitis: Table 1 shows the details of the demographic and clinical data of the 10 included MNOS pediatric patients. The results of the comparison of demographic and clinical characteristics between the anti-NMDAR encephalitis group, MOG-AD group, and MNOS group are shown in Table 2. There was no significant difference in the age of onset, the proportion of infants (≤3 years), and the sex ratio between the three groups (p > 0.05).