Table 1.

Radiologic assessment

	Young adult volunteers	Preoperative	Postoperative	p value
PI (°)	50.6 ± 5.2 (32–82)	61.9 ± 13.7 (36–88)	61.5 ± 11.3 (40–90)	ns
SS (°)	39.5 ± 7.6 (16–55)	23.9 ± 11.3 (0–45)	30,2 ± 9.8 (12–50)	0.003
PT (°)	11.1 ± 5.8 (8–34)	38.5 ± 10.9 (15–64)	31.7 ± 9.2 (13–50)	0.003
C7T (°)	95.4 ± 1.4 (90–97)	72.6 ± 14.7 (23–98)	83.1 ± 7.3 (60–95)	0.0025
SSA (°)	135.2 ± 3.8 (129–138)	96.4 ± 17.8 (48–128)	113.3 ± 11.6 (94–135)	0.003

PI pelvic incidence, SS sacral slope, PT pelvic tilt, C7T C7 tilt, SSA spino-sacral angle, ns no significative