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. 2021 Jun;42(6):1073–1079. doi: 10.3174/ajnr.A7145

Table 2:

Patient demographicsa

Definite PML (n = 16) Possible PML (n = 4) Control Cohort(n = 40)
Sex (F/M) 5:11 1:3 16:24
Age (mean) (SD) (yr) 46.4 (9.21) 45.8 (8.46) 43.6 (21.04)
Cause of PML
    HIV 13 (81.25%) 3 (75%)
    Cancer 2 (12.5%) 0 (0%)
    Immunosuppressant therapy 1b (6.25%) 1c (25%)
Ethnicity
    Hispanic 1 (6.25%) 0 (0%) 2 (5%)
    Non-Hispanic 8 (50%) 1 (25%) 25 (62.5%)
    Unknown 7 (43.75%) 3 (75%) 13 (32.5%)
Race
    White 10 (62.5%) 0 (0%) 30 (75%)
    African American 2 (12.5%) 2 (50%) 3 (7.5%)
    Asian 0 (0%) 0 (0%) 1 (2.5%)
    Unknown 4 (25%) 2 (50%) 6 (15%)
a

Patients with PML with positive JCV-CSF findings were defined as having definite PML. Patients with PML without CSF samples but with clinical and MR findings indicative of PML were defined as having possible PML.

b

Rituxan and fludarabine.

c

Mycophenolate mofetil (Cellcept), tacrolimus (FK-506), and prednisone.