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. Author manuscript; available in PMC: 2016 Aug 15.
Published in final edited form as: J Neurol Sci. 2015 May 17;355(0):59–63. doi: 10.1016/j.jns.2015.05.013

Table 3.

Clinical characteristics are not predictive of optic nerve lesion length.

Number of
cases		 Lesion length
Mean/median (mm)		 p-value
NMO
events 		1st ever event of NMO
Recurrent NMO event		 9 (32%)
19 (68%)		 35.9/36.3
28.0/27.6		 0.22
1st event in affected eye
Recurrent event in affected eye		 21 (75%)
7 (25%)		 31.8/29.7
26.4/27.5		 0.45
MS
events 		1st ever event of MS
Recurrent MS event		 16 (62%)
10 (38%)		 12.1/9.6
15.3/10.7		 0.24
1st event in affected eye
Recurrent event in affected eye		 24 (92%)
2 (8%)		 13.9/10.6
8.2/8.2		 0.38
NMO
serostatus 		NMO-IgG +
NMO-IgG −		 19 (73%)
7 (27%)		 29.8/28.0
32.5/29.4		 0.93