Table 1:

Clinical characteristics of the study groupsa

Controls (n = 29)INSVM (n = 32)P
Maternal age (yr)33.7 ± 4.232.4 ± 5.5.32
Birth weight (g)3414 ± 5173406 ± 553.96
Gestational age at birth (wk)39.8 ± 0.939.8 ± 1.2.81
Gestational age at MRI (wk)27.7 ± 0.927.7 ± 0.9.91
Lateral ventricular widtha4.6 ± 1.410.6 ± 1.1<.01b
Fetus sex.02d
    Male58.6% (17)87.5% (28)
    Female41.4% (12)12.5% (4)
Laterality of ventriculomegaly
    Bilateral34.4% (11)
    Unilateral left34.4% (11)
    Unilateral right31.2% (10)
Evolution of lateral ventricular widthc
    Regressive25% (8)
    Stable75% (24)
    Progressive0% (0)
Classification according to atrial width
    Mild (10.0–11.9 mm)84.3% (27)
    Moderate (12.0–13.9 mm)16.7% (5)
  • Note:— – indicates that these characteristics do not apply for the control group.

  • a Comparison of clinical characteristics between the control and case cohort. Results are expressed as means or percentage and number of subjects as appropriate.

  • b Measurement of the more dilated lateral ventricle by ultrasound at diagnosis.

  • c Evolution of lateral ventricular width until term of pregnancy.

  • d Significant (≤.05).