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Table 2 Comparison of the radiologic variables

From: Predictors of adverse events after percutaneous pedicle screws fixation in patients with single-segment thoracolumbar burst fractures

Variable Total AE group Non-AE group p
Preop. Cobb angle (°) 16.63 ± 3.73 18.34 ± 4.03 15.69 ± 3.12 < 0.001
Postop. Cobb angle (Immediate, °) 6.73 ± 5.44 8.11 ± 5.02 5.98 ± 5.51 0.022
Postop. Cobb angle
(1-year, °)
15.62 ± 6.16 23.10 ± 1.84 11.53 ± 3.07 < 0.001
Surgically corrected Cobb angle (°) 8.26 ± 3.67 5.78 ± 3.00 9.60 ± 3.27 < 0.001
Intervertebral disc injury (%)     < 0.001
 Score 0 36 (24.00) 4 (7.55) 32 (32.99)  
 Score 1 47 (31.33) 8 (15.09) 39 (40.21)  
 Score 2 30 (20.00) 15 (28.30) 15 (15.46)  
 Score 3 37 (24.67) 26 (49.06) 11 (11.34)  
IPD (%) 23.04 ± 1.82 24.06 ± 1.82 22.48 ± 1.56 < 0.001
VBCR (%) 68.00 ± 3.53 66.98 ± 3.27 68.55 ± 3.55 0.009
PAHC (%) 69.43 ± 2.94 68.83 ± 3.20 69.75 ± 2.73 0.065
CC (%) 10.17 ± 3.57 10.88 ± 3.45 9.78 ± 3.57 0.074
  1. Preop preoperative, Postop postoperative, IPD interpedicular distance, VBCR vertebral body compression rate, PAHC percentage of anterior height compression, CC canal compromise. Score 0 an intact, undamaged disc, Score 1 a hypertonic edematous image of the disc was observed, Score 2 a ruptured disc with intradiscal hemorrhage, Score 3 the disc was recessed into the vertebral body, had an annular tear, or herniated out into the lamina