Table 4.

Spinopelvic alignment

	Pre	Post	Last
Lumbar Lordosis (LL)	2.5 [-8.5, 15.5]	39.5 [33.5, 52.5]*	42 [30, 52]
Pelvic Incidence (PI)	54.5 [47.5, 58.5]	53.5 [47.5, 59.5]	53 [47, 60]
PI-LL	49.5 [33.5, 60]	10 [5, 23]*	10 [5, 23.5]
Pelvic Tilt (PT)	39.5 [34.5, 52]	26 [19.5, 35]*	29.5 [22, 36.5]
Thoracic Kyphosis (TK)	28 [11.5, 36]	35.5 [26.5, 46]	44 [34.5, 55]
Sagittal Vertical Axis (SVA)	117 [86, 154]	36 [19.5, 52.5]*	66 [28.5, 97]
T1 pelvic angle (TPA)	43 [36, 53]	22 [15.5, 28.5]*	28.5 [23, 34]
C7-Central Sacral Vertical Line (CSVL)	25 [13, 65]	12 [3.5, 22.5]	7.5 [1.5, 27]
Cobb angle	32.5 [25.5, 49]	14 [11, 18.5]*	14 [10.5, 19.5]

Data are shown as median [1st quantile, 3rd quantile]. *P<0.05

LL, PI–LL, PT, SVA, TPA, and Cobb angle were improved significantly after surgery without significant change until the final follow-up