Posterior column osteotomy plus unilateral cage strutting for correction of lumbosacral fractional curve in degenerative lumbar scoliosis

Table 3 Comparison of radiographic data between LSCA study and control groups

	LSCA study group	LSCA control group	Statistics	p
Preoperative CBD	24.4 ± 14.8	21.2 ± 15.3	− 0.501	0.620
Preoperative Cobb	42.4 ± 8.2	31.3 ± 11.1	− 2.590	0.015
Preoperative LSCA	27.5 ± 4.0	17.6 ± 2.9	− 7.501	0.001
CBD change	10.7 ± 21.3	7.1 ± 14.4	− 0.543	0.591
Cobb change	24.1 ± 7.3	26.1 ± 10.8	0.460	0.649
LSCA change	13.8 ± 7.3	14.4 ± 3.1	0.294	0.771
Cobb change–LSCA change	10.3 ± 3.1	11.6 ± 10.4	0.358	0.723
VAS-back change	4.7 ± 1.3	3.8 ± 1.8	− 1.265	0.216
VAS-leg change	3.1 ± 3.5	3.6 ± 2.7	0.414	0.682
ODI change	22.5 ± 15.3	17.7 ± 10.4	− 0.988	0.331

Mean values are presented as ± standard deviation
CBD indicates coronal balance distance, LSCA lumbosacral coronal angle, VAS visual analog scale, ODI Oswestry disability index