Acute Reciprocal Changes Distant from the Site of Spinal Osteotomies Affect Global Postoperative Alignment

Table 2

Comparison lumbar group—patients that had lumbar PSO. Preoperative and postoperative measurements, P < 0.05 in bold.

Lumbar group	Pre-Op			Post-Op			Change
	Long fusion	Short fusion	t-test	Long fusion	Short fusion	t-test	Long fusion	Short fusion	t-test
T4T12 kyphosis (°)	33 ± 16	22 ± 23	0.003	39 ± 15	35 ± 20	0.105	6 ± 11	13 ± 13	0.004
L1S1 lordosis (°)	22 ± 18	17 ± 21	0.144	49 ± 14	48 ± 16	0.371	28 ± 18	31 ± 17	0.187
T10-L1 kyphosis (°)	12 ± 13	2 ± 14	0.000	8 ± 10	7 ± 11	0.420	−4 ± 10	6 ± 10	0.000
SVA (mm)	142 ± 87	143 ± 73	0.489	45 ± 62	44 ± 47	0.469	−96 ± 67	−100 ± 59	0.399
T1 inclination (°)	5 ± 8	5 ± 6	0.494	−3 ± 6	−3 ± 4	0.399	−7 ± 7	−8 ± 5	0.383
Pelvic tilt (°)	34 ± 12	32 ± 11	0.198	26 ± 12	25 ± 10	0.320	−9 ± 10	−8 ± 8	0.321
Pelvic incidence (°)	58 ± 14	58 ± 12	0.452	58 ± 14	58 ± 13	0.422	0 ± 2	0 ± 3	0.304