Table 3:

Number of voxels (medians and IQRs) in the ROI drawn on the Pd-weighted imagesa

Disease Type, RegionNAWMDAWMLesions
MedianIQRMedianIQRMedianIQR
PPMS
    Frontal314.0247.5–338.589.079.5–120.025.017.0–56.0
    Parieto-occipital318.0305.0–379.5128.0111.0–156.032.026.0–52.0
    Combined593.0528.0–713.0212.0190.5–265.557.017.0–80.0
SPMS
    Frontal394.0238.0–452.099.069.0–121.040.532.0–87.0
    Parieto-occipital390.0319.0–501.094.576.0–114.056.036.0–61.0
    Combined703.0629.0–921.0193.0141.0–238.095.071.0–144.0
  • a The “Combined” ROI for each patient is the combination of the frontal and parieto-occipital ROIs for that tissue type (NAWM, DAWM, or lesions).