Results of clinical spinal correction immediately after surgery Indicator Pre-surgery Post-surgery P value Shoulder balance 0.93 ± 0.64 cm 0.28 ± 0.17 cm P<0.001 Body balance 4.63 ± 1.37 cm 0.95 ±0.36 cm P<0.001 Iliac crest balance 0.09± 0.1 cm 0.09 ± 0.1 cm P>0.05 Rib cage balance 13.25± 5.74 degree 4.07 ±3.29 degree P<0.001 Total number of patient 40 Patients had shoulder imbalance before surgery of 0.93 cm on average.