Fig. 2

Scatterplots reveal the significant relationships between the correction in lumbar lordosis and the changes in other radiographic parameters. d-indicates the perioperative changes; LL lumbar lordosis, TK thoracic kyphosis, SS sacral slope, PT pelvic tilt, PI–LL the mismatch of pelvic incidence minus lumbar lordosis, PFA pelvic femur angle, SAA sagittal acetabular anteversion, SVA sagittal vertical axis, TPA T1 pelvic angle