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Table 2 Comparison of standard radiological measurements between cases and controls (n = 20)

From: Reducing the kyphosis effect of anterior short thoracolumbar/lumbar scoliosis correction with an autograft fulcrum effect

Variable Measurements (median [IQR])
Cases (n = 10) Controls (n = 10) P-value*
Overall Cobb angle (°)
 Pre-op 57 (13) 53 (12) 0.732
 Post-op 11 (17) 20 (11) 0.403
 6 wks 15 (16) 21 (10) 0.427
 Δ (pre-op vs 6 wks) −40 (11) −36 (12) 0.448
AVT (mm)
 Pre-op 45 (15) 41 (19) 0.140
 Post-op 11 (7) 15 (11) 0.383
 6 wks 14 (12) 18 (4) 0.307
 Δ (pre-op vs 6 wks) −32 (15) −21 (16) 0.028
Coronal balance (mm)
 Pre-op 24 (4) 22 (10) 0.197
 6 wks 23 (4) 19 (7) 0.139
 Δ (pre-op vs 6 wks) −1.5 (6) −2.5 (10) 1.000
Apical intervertebral Cobb angle (°)
 Pre-op 20 (6) 17 (6) 0.363
 Post-op 3 (2) 9 (2) < 0.001
 6 wks 2 (1) 9 (2) < 0.001
 Δ (pre-op vs 6 wks) −18 (8) −10 (8) 0.002
Thoracic kyphosis (°)
 Pre-op 37 (16) 37 (11) 0.910
 6 wks 36 (11) 45 (15) 0.064
 Δ (pre-op vs 6 wks) −1 (6) 9 (7) 0.010
Lumbar lordosis (°)
 Pre-op 53 (20) 57 (7) 0.544
 6 wks 52 (12) 64 (12) 0.023
 Δ (pre-op vs 6 wks) −4 (7) 3 (6) 0.017
Apical vertebral rotation (Nash and Moe Grade)
 Pre-op 2 (1) 2 (1) 1.00
 6 wks 2 (1) 2 (1) 0.374
 Δ (pre-op vs 6 wks) −1 (1) −1 (1) 0.593
  1. Abbreviations: IQR (interquartile range), n (number), ° (degrees), AVT (apical vertebral translation) mm (millimeters), op (operatively), wks (weeks), vs (versus), Δ (delta [difference])
  2. *Wilcoxon rank sum test or Chi-square test
  3. Statistically significant difference