Table 2.

Comparison of the demographic features and anti-JCV antibody status between anti-JCV antibody-positive and -negative patients with MS

	Positive (n = 86)	Negative (n = 42)	p value
Sex, female	60 (69.8%)	33 (78.6%)	0.399
Age, years	43.5 [33.0–50.3]	35.0 [27.8–40.3]	0.001
Disease duration, years	11 [5–18]	9 [5–15]	0.455
EDSS score	2.0 [1.0–4.1]	2.0 [1.0–3.5]	0.576
Lymphocyte counts at sampling, /μL	645 [427–1402]	1158 [521–1589]	0.139
Anti-JCV antibody index	2.47 [1.15–3.29]	0.16 [0.11–0.21]	<  0.001

Values indicate the median [IQR] or count (%)

EDSS Expanded Disability Status Scale, IQR interquartile range, JCV JC virus