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Table 2 Comparisons of coronal and shoulder balance parameters between pre-operation and post-operation in AIS

From: Postoperative neck tilt in Lenke 1 and 2 AIS patients after correction surgery: a novel predictive index

Variables Pre-operation Post-operation P value
Coronal parameters
 CAT (o) 3.28 ± 3.57 3.36 ± 2.99 0.839
 T1-tilt (o) 4.85 ± 5.49 4.71 ± 3.69 0.774
 PTC (o) 27.31 ± 10.23 18.38 ± 8.55 < 0.001
 AVT of PTC (mm) 21.07 ± 15.18 7.60 ± 4.27 < 0.001
 MTC (o) 48.15 ± 11.87 19.73 ± 9.71 < 0.001
 AVT of MTC (mm) 51.24 ± 11.84 15.02 ± 8.41 < 0.001
 TL/LC (o) 28.80 ± 11.45 12.08 ± 6.72 < 0.001
 AVT of TL/LC (mm) 7.15 ± 5.13 4.79 ± 4.93 < 0.001
 CB (mm) 11.94 ± 9.70 7.48 ± 6.90 < 0.001
Shoulder balance
 CA (o) 1.89 ± 2.69 1.93 ± 1.55 0.887
 RSH (mm) 8.18 ± 10.96 7.49 ± 5.73 0.529
HRQOL
 SRS-22 3.92 ± 0.25 4.08 ± .022 < 0.001