Simplified S1 vertebral bone quality score independently predicts proximal junctional kyphosis after surgery for degenerative lumbar scoliosis

Table 5 Comparisons of clinical parameters between the DLS patients with and without PJK

Variables	PJK (n = 27)	No PJK (n = 95)	p value
VAS (back)
Preoperative	4.89 ± 1.28	5.12 ± 1.24	0.405
At last follow-up	3.03 ± 0.97	2.34 ± 0.86	0.001
VAS (leg)
Preoperative	4.78 ± 1.32	5.04 ± 1.46	0.405
At last follow-up	2.92 ± 0.74	1.99 ± 1.01	< 0.001
JOA
Preoperative	13.52 ± 3.39	13.58 ± 3.43	0.941
At last follow-up	18.08 ± 3.46	22.44 ± 5.23	< 0.001
ODI
Preoperative	48.65 ± 11.61	49.42 ± 11.84	0.764
At last follow-up	29.10 ± 5.58	26.85 ± 13.50	0.202

ISSN: 1749-799X