Figure 4From: BAFF/APRIL system in pediatric OMS: relation to severity, neuroinflammation, and immunotherapy Dichotomization of CSF BAFF concentration into ‘high’ and ‘normal’ groups for phenotyping. Percentages were compared by Fisher’s exact tests and means by t tests. The high and normal groups did not differ significantly in gender ratio, patient age, or OMS duration (data not shown).Back to article page