Fig. 6

Difference in peripheral features between different clinical subgroups. Bar plot of significantly differential expressed cytokines (P < 0.05) between EDSS-H (n = 16) and EDSS-L (n = 24) (A), between AQP4-L (n = 17) and AQP4-H (n = 23) (B, between T2 (n = 16) and T1 (n = 24) (C), between HR (n = 24) and LR (n = 16) (D), between Recurrence (n = 18) and First episode (n = 22) (E). F The serum level of FAP in first episode (n = 20) and recurrence (n = 20) of NMOSD, Student’s t-test, *P < 0.05. G The serum level of FAP in T1 (< 3 years) (n = 27) and T2 (≥ 3 years) (n = 13) of NMOSD, Student’s t-test, *P < 0.05