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Table 2 Vertebral anomalies in patients with congenital scoliosis and SCM

From: Radiographic characteristics in congenital scoliosis associated with split cord malformation: a retrospective study of 266 surgical cases

characteristics Type I (n = 104) Type II (n = 162) P
Vertebral deformities, n (%)    0.001*
 Failure of segmentation 21 (20.2) 55 (34.0)  
 Failure of formation 11 (10.6) 34 (21.0)  
 Mixed type 72 (69.2) 73 (45.1)  
Malformation, n (%)    0.015*
 Single malformation 10 (9.6) 34 (21.0)  
 Multiple malformation 94 (90.4) 128 (79.0)  
Levels of vertebral deformities, n 5.1 ± 2.5 3.9 ± 2.2 < 0.001*
Location of deformities, n (%)    0.004*
 T 65 (62.5) 126 (77.8)  
 L 4 (3.8) 10 (6.2)  
 T + L 35 (33.7) 26 (16.0)  
Exuberant neural arches, n (%)    < 0.001*
 with 32 (30.8) 21 (13.0)  
 without 72 (69.2) 141 (87.0)  
  1. SCM split cord malformation; * means statistical difference