. Author manuscript; available in PMC: 2009 May 19.

Published in final edited form as: Mult Scler. 2008 Sep 19;15(1):28–35. doi: 10.1177/1352458508096870

Table 4.

Number of samples with detectable JCV copies in duplicates

Samples	MS patients	CIS patients	Control patients	Total
Plasma	0/192 (0.0%)	0/69 (0.0%)	2/196 (1.0%)	2/458 (0.4%)
Cell-free CSF	1/210 (0.5%)	0/86 (0.0%)	0/208 (0.0%)	1/505 (0.2%)
CSF cells	1/42 (2.4%)	0/14 (0.0%)	0/53 (0.0%)	1/109 (0.9%)
PBMCs	0/49 (0.0%)	0/14 (0.0%)	0/53 (0.0%)	0/116 (0.0%)

Patients with MS include relapsing–remitting MS, secondary progressive MS, and primary progressive MS.

CIS, clinically isolated syndrome suggestive of MS; control patients, patients with other neurological diseases with or without sign of inflammation.