Table 3:

Comparison between groups with and without arthrogryposis of features identified on MRI by visual inspectiona

Ag (n = 4)No Ag (n = 8)Pb
Sites with spinal cord reduction
    Absent0 (0.0%)2 (25.0%).002c
    Thoracic0 (0.0%)5 (62.5%)
    Cervical, thoracic0 (0.0%)1 (12.5%)
    Cervical, thoracic, conus medullaris4 (100.0%)0 (0.0%)
Site of most severe spinal cord reduction
    Absent0 (0.0%)2 (25.0%)<.999
    Thoracic4 (100.0%)6 (75.0%)
Prominence of the anterior median fissure of the spinal cord
    Absent2 (50.0%)8 (100.0%).091
    Present2 (50.0%)0 (0.0%)
Reduction of the anterior nerve roots of the conus medullaris
    No reduction0 (0.0%)2 (25.0%).007c
    Mild0 (0.0%)4 (50.0%)
    Moderate0 (0.0%)2 (25.0%)
    Severe4 (100.0%)0 (0.0%)
Congenital hip dysplasia
    Absent0 (0.0%)2 (25.0%).515
    Present4 (100.0%)6 (75.0%)
  • Note:—Ag indicates arthrogryposis.

  • a Data are number of patients (%).

  • b P = Fisher Exact test.

  • c Statistically significant.