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Table 1 Demographic and clinical characteristics of MS patients and controls

From: Impact of cytomegalovirus infection on B cell differentiation and cytokine production in multiple sclerosis

 

HC (n = 30)

RRMS (n = 55)

PMS (n = 18)

p value, HC vs MS

p value, RRMS vs PMS

p value, RRMS vs HC

Age, years (mean ± SD)

41.1 ± 11.4

44.7 ± 12.1

60.1 ± 8.0

< 0.01

< 0.01

0.190

Female sex, n (%)

18 (60.0%)

31 (56.40%)

11 (61.10%)

0.498

0.914

0.173

HCMV(+) serology, n (%)

23 (76.7%)

35 (63.6%)

11 (61.1%)

0.133

0.400

0.093

EBV(+) serology, n (%)

24 (85.7%)

54 (98.2%)

17 (94.4%)

< 0.05

0.075

< 0.05

MS duration (years)

10.9 (5.5–16.0)

22.6 (13.9–33.3)

< 0.01

EDSS

2.0 (1.0–3.0)

6.0 (4.4–7.0)

< 0.01

MSSS

2.08 (1.01–4.17)

6.74 (3.74–7.46)

< 0.01

2y-RR

0.0 (0.0–1.0)

0.0 (0.0–0.0)

< 0.01

ARR

0.31 (0.17–0.57)

0.0 (0–0.13)

< 0.01

DMT

None

27

18

 

< 0.01

IFNβ

23

0

   

GA

5

0

   
  1. Values are expressed as mean ± SD for parametric variables and as median (interquartile range) for nonparametric variables
  2. HC healthy controls, RRMS relapsing-remitting MS, PMS progressive MS, HCMV human cytomegalovirus, EBV Epstein-Barr virus, EDSS expanded disability status scale, MSSS Multiple Sclerosis Severity Score, 2y-RR relapse rate in the previous 2 years, ARR annualized relapse rate, DMT disease-modifying therapy, IFNβ interferon-β, GA glatiramer acetate