Transpedicular bone grafting and pedicle screw fixation in injured vertebrae using a paraspinal approach for thoracolumbar fractures: a retrospective study

Table 1 Relative heights of the fractured vertebrae and Cobb angles

Item	Number	Preoperative	1 week postoperatively	1 year postoperatively	2 years postoperatively
Relative height of fractured vertebrae (%)	50	56.8 ± 15.6	91.2 ± 10.7^a	89.6 ± 10.3^b	88.7 ± 9.6^c
Cobb angle (°)	50	18.2 ± 2.6	7.5 ± 1.4^d	8.7 ± 1.1^e	8.2 ± 1.5^f

^a P = 0.001; ^b P ≤ 0.005; ^c P = 0.001; ^ab P = 0.24; ^bc P = 0.16; ^d P = 0.002; ^e P ≤ 0.007; ^f P = 0.001; ^de P = 0.19; ^ef P = 0.23

ISSN: 1749-799X