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Table 2 Clinical information and CSF characteristics of validation cohorts of CIS patients

From: Validation of semaphorin 7A and ala-β-his-dipeptidase as biomarkers associated with the conversion from clinically isolated syndrome to multiple sclerosis

 

Cohort 3* - ELISA studies

Cohort 4** - proteomic studies

Characteristics

CIS → CIS

CIS → CDMS

P values

CIS → CIS

CIS → CDMS

P values

n

27

47

-

25

24

-

Age (years)a

30.5 (7.4)

31.3 (6.6)

0.706

36.5 (12.4)

34.2 (9.3)

0.509

Female/male (% female)

22/5 (81.5)

30/17 (63.8)

0.123

16/9 (64.0)

17/7 (70.8)

0.419

Follow-up time (years)a

4.2 (2.8)

8.8 (3.6)

8.24 ± 10-7

3.2 (1.3)

10.7 (16.5)

0.034

Clinical presentation

      

Optic neuritis

16 (59.3)

15 (31.9)

0.146

8 (32.0)

3 (12.5)

0.333

Brainstem

5 (18.5)

12 (25.5)

 

4 (16.0)

6 (29.1)

 

Spinal

3 (11.1)

16 (34.0)

 

7 (28.0)

10 (41.6)

 

Others

3 (11.1)

4 (8.5)

 

6 (24.0)

4 (16.6)

 

CSF cellsb

0.0 (0.0-2.0)

0.0 (0.0-4.0)

0.250

2.0 (0.0-3.2)

3.0 (1.7-9.5)

0.037

Proteins (mg/dL)b

30.0 (25.7-36.2)

34.0 (27.0-40.0)

0.297

28.0 (25.0-36.0)

30.0 (25.0-40.5)

0.753

  1. *Cohort 3 was used for determination of CSF levels of apolipoprotein AI. **Cohort 4 was used for quantification of CSF levels of semaphorin 7A and ala-beta-his-dipeptidase. aData are expressed as mean (standard deviation). bData are expressed as median (interquartile range). P values were obtained following comparisons between CIS → CIS and CIS → CDMS patients by means of the chi-square test (gender and clinical presentation) and Mann-Whitney U test (remaining variables). Proteins (mg/dL) refers to protein concentration in mg/dL. CDMS, clinically definite multiple sclerosis; CIS, clinically isolated syndromes, CSF, cerebrospinal fluid.