Efficacy of computed tomography-assisted limited decompression in the surgical management of thoracolumbar fractures with neurological deficit

Table 5 Comparisons of radiographic results between groups

Variable	Non-CT-assisted group (N=50)	CT-assisted group (N=56)	p value
Cobb angle(°)
Preoperative	29.56±4.10	29.46±4.01	0.841ψ
Postoperative 3 months	3.53±1.40	3.45±1.35
Postoperative 6 months	5.45±1.22	5.36±1.22
Postoperative 12 months	7.30±1.37*	7.30±1.38**
Percentage of anterior vertebral body height
Preoperative	58.64±6.78	58.13±6.98	0.573ψ
Postoperative 3 months	87.62±2.79	87.57±2.66
Postoperative 6 months	86.61±1.83	86.39±1.89
Postoperative 12 months	84.40±1.95 *	84.25±1.97 **
Percentage of posterior vertebral body height
Preoperative	86.20±1.71	86.05±1.52	0.662ψ
Postoperative 3 months	92.06±1.60	92.14±1.54
Postoperative 6 months	91.66±1.35	91.79±1.30
Postoperative 12 months	89.94±1.60φ	90.05±1.38 φφ
Spinal canal encroachment (%)
Preoperative	30.36±5.05	32.25±5.80	0.000ψ
Postoperative 3 months	5.92±1.47	3.45±1.03
Postoperative 6 months	6.59±1.36	5.04±0.87
Postoperative 12 months	8.65±1.12#	5.96±0.62##

^*,*,φ,#Using the paired t test; ^ψUsing the repeated measures analysis of variance (RMANOVA). The corresponding p values of kyphosis Cobb angle, vertebral anterior margin height percentage, posterior margin height percentage, and spinal canal invasion rate in the two groups were compared with the preoperative comparison. ^*p<0.05, ^**p<0.05, ^*p<0.05, ^**p<0.05, ^φp<0.05, ^φφp<0.05, ^#p<0.05, ^##<0.05

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