Table 2:

Sulcal depth and grading scores of the study groupsa

VariableControls (n = 29)INSVM (n = 32)P
Left hemisphere depths
    Insula29.4 ± 1.529.7 ± 1.8.03b
    Sylvian fissure16.7 ± 1.617.2 ± 2.4.15
    Parieto-occipital sulcus10.2 ± 2.38.1 ± 2.6<.01b
    Cingulate sulcus3.8 ± 1.34.3 ± 2.5.29
    Calcarine sulcus12.5 ± 2.710.9 ± 2.1<.01b
Right hemisphere depths
    Insula29.6 ± 1.429.7 ± 1.7.04b
    Sylvian fissure16.8 ± 1.916.0 ± 1.6.01b
    Parieto-occipital sulcus11.1 ± 2.49.0 ± 2.8<.01b
    Cingulate sulcus3.6 ± 1.14.0 ± 1.5.33
    Calcarine sulcus13.5 ± 2.211.8 ± 4.8<.02b
Sum of grading scores
    Left hemisphere21.1 ± 5.318.2 ± 5.1.01b
    Right hemisphere21.8 ± 5.119.6 ± 5.3.03b
    Total cortex42.9 ± 10.237.8 ± 9.9.01b
  • a Comparison of sulcal depth measurements between the control and case cohort. Depth measurements (in millimeters) were normalized by BPD and multiplied by 100. Results are expressed as means. P values were adjusted by gestational age at examination and sex.

  • b Values ≤ .05.