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Table 2 Preoperative radiographic measurements in two groups

From: Selective thoracolumbar/lumbar fusion for Syringomyelia-associated scoliosis: a case-control study with Lenke 5C adolescent idiopathic scoliosis

parameters Syringomyelia group AIS group P value
(n = 14) (n = 30)  
Age (yrs) 14.2 ± 2.4 15.0 ± 1.8 0.25
Sex (M/F) 6/8 6/24 0.11
TL/L-Cobb (°) 46.7 ± 9.8 47.0 ± 9.5 0.73
TL/L-flexibility (%) 68.6 ± 20.5 70.9 ± 18.7 0.30
TL/L -AVR (°) 2.0 ± 0.8 2.0 ± 0.6 0.84
TL/L -AVT (mm) 47.8 ± 12.3 46.4 ± 14.2 0.50
T-Cobb (°) 23.9 ± 10.4 25.1 ± 6.4 0.27
T-flexibility (%) 73.2 ± 29.2 72.7 ± 23.8 0.61
T-AVR (°) 0.9 ± 0.5 0.8 ± 0.4 0.82
T-AVT (mm) 11.2 ± 7.0 12.6 ± 6.2 0.52
TS (mm) 17.9 ± 11.0 19.4 ± 11.3 0.29
TK (T5-T12, °) 23.6 ± 9.9 19.9 ± 8.7 0.03*
LL (L1-S1, °) 50.9 ± 10.0 50.2 ± 14.1 0.46
SVA (mm) 25.9 ± 27.0 27.9 ± 23.5 0.34
  1. AVR Apical vertebral rotation, AVT Apical vertebral translation, TS Trunk shift, TK Thoracic kyphosis, LL Lumbar lordosis, SVA Sagittal vertical axis
  2. * means statistically significant difference between two groups (P < 0.05)