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Table 1 JCV detection in urine, serum and PBMCs of natalizumab-treated MS patients

From: JC virus detection and JC virus-specific immunity in natalizumab-treated Multiple Sclerosis patients

  Patients (nr) Median VLa Median VL (IQR)b
PBMCs 4/24* 3 x 102 2.45 (2.28-3.11)
serum 4/24# 3.75 x 103 3.53 (3.11-3.82)
urine 11/24* 4.1 x 105 5.60 (5.08-5.84)
  1. a Viral loads (VL) are expressed as viral copies/ml in urine and in serum, as copies/μg of DNA in PBMCs. bVL median values and interquartile range (IQR) are expressed as Log10 copies.
  2. * Fisher exact test : PBMCs or serum vs. urine p= 0.062.