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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