Table 1.

Comparison of the spinopelvic parameters between the 72 DS and 60 non-DS group (x ± s)

	DLS group	Normal group	P value
n	72	60	–
age	55.11 ± 2.567	55.38 ± 2.022	0.8165
SVA(mm)	24.87 ± 0.6580	25.44 ± 0.7107	0.5598
TK(°)	43.08 ± 0.5601	38.39 ± 0.9947	<0.0001
LL(°)	46.76 ± 0.7212	42.14 ± 0.7796	<0.0001
SS(°)	39.55 ± 1.090	35.47 ± 1.077	<0.0095
PT(°)	24.88 ± 0.5968	25.62 ± 0.6490	0.4023
PI(°)	52.85 ± 1.026	46.75 ± 0.8269	<0.0001

DLS degenerative lumbar spondylolisthesis, DS degenerative spondylolisthesis, LL lumbar lordosis, PI pelvic incidence, PT pelvic tilt, SS sacral slope, SVA sagittal vertical axis, TK thoracic kyphosis