Table 3:

Presurgical neuroimaging features

Scorea (Median [IQR])Reliability (κw)
High-convexity tightness2.5 (2.0–3.0)0.68
Sylvian fissure dilation3.0 (2.5–3.0)0.50
Focal enlargement of cortical sulci0.5 (0–1.0)0.27
Bumps in the lateral ventricular roof1.0 (0.1–1.0)0.66
DWMHsb2.0 (2.0–3.0)0.71
PVHsb2.5 (2.0–3.0)0.64
Evans index0.32 (0.31–0.36–
Callosal angle79.7 (65.5–100.1)–

  • Note:—IQR indicates interquartile range; κw, linear weighted κ coefficient.

  • ↵a The visual rating scores indicate the mean scores of the 2 raters.

  • ↵b The DWMHs and PVHs were obtained from 44 patients.