Table 2.

Preoperative and postoperative parameters. SLIP angle, Lumbosacral angle and SVA varied significantly (p < 0.05)

	Preoperative	Postoperative	p value
SLIP angle	33.8° ± 7.3°	6.4° ± 2.5°	0.002
Lumbosacral Angle (LSA)	68.8° ± 18.6°	100.7° ± 13.2°	0.01
PI	73.5 ± 11.2	73 ± 13.1	0.96
PT	31.8 ± 12.7	30.7 ± 9.8	0.88
SS	41.7 ± 18.1	42.3 ± 12.2	0.86
LL	50.8 ± 18.4	49.2 ± 18.7	0.81
TK	35.8 ± 12.3	39 ± 11.2	0.25
SVA (mm)	49.4 ± 22.1	34.4 ± 8.6	0.02

PI = pelvic incidence, PT = pelvic tilt, SS = sacral slope, LL = lumbar lordosis, TK = thoracic kyphosis, SVA = sagittal vertical axis