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Table 3 Rib 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
Rib anomalies, n (%)    0.854
 without 38 (36.5) 61 (37.7)  
 with 66 (63.5) 101 (62.3)  
Type, n (%)    0.023*
 simple 35 (53.0) 71 (70.3)  
 complex 31 (47.0) 30 (29.7)  
Side of scoliosis, n (%)    0.216
 concave 46 (69.7) 64 (63.3)  
 convex 4 (6.1) 15 (14.9)  
 bilateral 16 (24.2) 22 (21.8)  
Type of structural changes, n (%)    0.540
 fused ribs 32 (48.5) 52 (51.5)  
 bifid ribs 5 (7.6) 15 (14.9)  
 bifid rib combined with fused ribs 13 (19.7) 22 (21.8)  
  1. SCM split cord malformation; * means statistical difference