Table 1 Patient numbers and diagnoses

History of ON and/or MY

50/50 (100%)

History of ON

44/50 (88%)

History of myelitis

28/50 (56%)

Meeting Wingerchuk’s 2006 criteria for NMO^a

14/50 (28%)

Meeting 2015 consensus criteria for NMOSD^b

16/50 (32%)

Meeting 2010 McDonald criteria for MS^c

15/46 (33%)

History of ON and of myelitis

22/50 (44%)

Meeting Wingerchuk’s 2006 criteria for NMO^a

14/22 (63.6%)

Meeting 2015 consensus criteria for NMOSD^b

15/22 (68.2%)

History of ON but not of myelitis

22 (44%)

Meeting Wingerchuk’s 2006 criteria for NMO^a

0/22 (0%)

Meeting 2015 consensus criteria for NMOSD^b

1/22 (4.5%)

History of myelitis but not of ON

6/50 (12%)

Meeting Wingerchuk’s 2006 criteria for NMO^a

0/6 (0%)

Meeting 2015 consensus criteria for NMOSD^b

0/6 (0%)