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Table 2 MRI characteristics of NMOSD and MS patients

From: A comparison of cognitive performances between neuromyelitis optica spectrum disorder and multiple sclerosis patients in Indian context

Characteristics

MS (n = 40)

NMOSD (n = 20)

P value

MRI findings

   

No. of lesions

  

< 0.0001*

 ≤ 4

2(5%)

16(80%)

 

 4–9

6(15%)

4(20%)

 

 ≥ 9

32(80%)

0

 

Lesion location

   

 Periventricular

40(100%)

4(20%)

< 0.0001*

 Juxta cortical

22(55%)

4(20%)

0.0283*

 Corpus callosal

28(70%)

2(10%)

< 0.0001*

 Brain stem

18(45%)

0

0.0008*

 Cerebellum

10(25%)

0

0.0096*

 Area postrema

0

0

 

 Diencephalon

0

0

 

 Gadolinium enhancement

18(45%)

12(60%)

0.3138

 OCB

16(42.1%)

2(10%)

0.002*

 Anti-aquaporin 4

0

18(90%)

< 0.0001*

  1. *p value ≤ 0.05 is considered significant