Correlations between the sagittal plane parameters of the spine and pelvis and lumbar disc degeneration

Table 2 The correlations between the sagittal parameters and the location of the lumbar disc degeneration, correlation coefficient

	Age	BMI	Location	Scope	Extent	Overall degree	TA	TK	LL	PI	SS	PT	SVA	TPA
Age	1	− 0.88	− 0.343**	0.339**	0.415**	0.486**	0.182	0.352**	0.161	0.033	− 0.001	0.052	0.190	0.120
BMI		1	− 0.134	0.039	0.198	0.077	− 0.021	− 0.038	− 0.037	0.064	− 0.050	0.138	0.023	0.141
Location			1	− 0.541**	− 0.445**	− 0.471**	− 0.264*	− 0.100	0.012	− 0.150	− 0.096	− 0.264*	− 0.154	− 0.330**
Scope				1	0.316**	0.494**	0.121	0.105	0.024	0.119	0.018	0.193	0.285*	0.270*
Extent					1	0.788**	0.211	0.132	− 0.037	− 0.075	− 0.003	0.060	0.165	0.155
Overall degree						1	0.208	0.190	−0.037	−0.126	−0.057	0.047	0.375**	0.230*
TA							1	0.583**	− 0.135	−0.203	−0.037	0.014	0.324**	0.182
TK								1	0.535**	− 0.017	0.111	− 0.131	−0.046	− 0.099
LL									1	0.428**	0.737**	−0.256*	−0.412**	−0.379**
PI										1	0.416**	0.607**	0.078	0.416**
SS											1	− 0.208	− 0.338**	− 0.259*
PT												1	0.283*	0.899**
SVA													1	0.547**
TPA														1

Note: Pearson correlation test (bilateral, n = 284); *P < 0.05, significant correlation; **P < 0.01, significant correlation; 0.2–0.4 indicates a weakly positive correlation, 0.4–0.6 indicates a moderate correlation, and 0.6–0.8 indicates a strongly positive correlation

ISSN: 1749-799X