Table 4.

Simple and multivariate linear correlations between the main spinal and pelvic parameters, the degree of slip and the lumbosacral kyphosis (Lumbosacral angle)

Linear regression models	r	R2	β SE
LSA = 95.174 − 0.391L5S + 0.667 SS + 0.392 LL − 0.713 T9SO	0.812	0.660	Cst : 13.124 L5S : 0.114 SS : 0.172 LL : 0.123 T9SO : 0.288
L5S = 121.351 − 0.713 LSA	0.692	0.479	Cst : 8.35 LSA : 0.116

These linear regression models describe the reciprocal relationship between these angular parameters through mathematical equations

β SE Beta coefficient standard error, Cst Constant, L5S L5 anterior slipping, SS Sacral slope, LL L1L5 lumbar lordosis, T9SO T9 sagittal offset, LSA Lumbosacral angle