Characteristics of brain MRI follow-up after PML diagnosis
| Median [range] | |
|---|---|
| Number of follow-up scans available until, and including, PML-IRIS scan | 2.5 [1–6] |
| Interval between follow-up scans from diagnosis until PML-IRIS (days) | 16.8 [6–98] |
| Interval between first PML-IRIS signs on MRI and previous MRI visit (days) | 15.5 [5–93] |
IRIS, immune reconstitution inflammatory syndrome; PML, progressive multifocal leukoencephalopathy.