. 2014 Sep 1;6(3):196–202. doi: 10.1111/os.12116

Table 3.

Preoperative and postoperative correlationd between ODI scores and radiographically assessed variables

Radiographically assessed variable versus ODI score	Pre‐operative		Post‐operative		Change versus ΔODI
Radiographically assessed variable versus ODI score	P	r	P	r	P	r
Sagittal balance
C₇PL	0.03	0.27	0.03	0.28	0.47	−0.09
GL–CFH	0.64	0.06	0.03	0.26	0.88	−0.02
Coronal balance
C₇PL (abs)	0.18	0.16	0.37	0.10	0.92	0.01
GL–CFH (abs)	0.45	0.09	0.57	0.07	0.69	−0.05
Pelvic variables
Sacral slope	0.82	−0.03	0.47	−0.09	0.44	−0.10
Pelvic tilt	0.06	0.23	0.73	0.04	0.08	0.21
Other variables
Cobb angle	0.03	−0.26	0.40	−0.10	0.81	−0.03
Lumbar lordosis	0.67	0.05	0.004	−0.35	0.54	−0.08
Coronal olisthesis	0.16	−0.17	—	—	0.22	0.15

Change/ΔODI refers to the correlation between changes in radiologically assessed variables and in ODI scores as a result of surgery. Abs, absolute values.