Background
Methods
Patient population
Data collection
Statistical analysis
Results
General information
Variables | Minimum | Maximum | Mean | SD |
---|---|---|---|---|
Demographic parameters | ||||
Age (years) | 10.00 | 19.00 | 14.76 | 2.04 |
Risser sign (o) | 0.00 | 5.00 | 3.30 | 1.46 |
Gender (male/female) | 35/67 | |||
Lenke types (n) | ||||
1A−/1AN/1A+/1B−/1BN/1CN | 8/28/7/6/11/12 | |||
2A−/ 2AN/2BN/2C−/2CN | 6/10/8/3/3 | |||
UIV-T1 (segment) (0/1/2/3/4/5) (n) | 7/10/36/36/11/2 | |||
Coronal parameters | ||||
Preoperative CAT (o) | −8.00 | 20.00 | 3.28 | 3.57 |
Postoperative CAT (o) | −6.00 | 9.00 | 3.36 | 2.99 |
Preoperative T1 tilt (o) | −18.40 | 26.00 | 4.85 | 5.49 |
Postoperative T1 tilt (o) | −6.00 | 14.00 | 4.71 | 3.69 |
Preoperative PTC (o) | 3.00 | 63.00 | 27.31 | 10.23 |
Postoperative PTC (o) | 2.00 | 38.00 | 18.38 | 8.55 |
Preoperative AVT of PTC (mm) | 1.00 | 46.00 | 21.07 | 15.18 |
Postoperative AVT of PTC (mm) | 2.00 | 15.00 | 7.60 | 4.27 |
Preoperative MTC (o) | 18.00 | 104.00 | 48.15 | 11.87 |
Postoperative MTC (o) | 3.00 | 57.00 | 19.73 | 9.71 |
Preoperative AVT of MTC (mm) | 36.00 | 74.00 | 51.24 | 11.84 |
Postoperative AVT of MTC (mm) | 5.00 | 350 | 15.02 | 8.41 |
Preoperative TL/LC (o) | 5.00 | 58.00 | 28.80 | 11.45 |
Postoperative TL/LC (o) | 1.00 | 27.00 | 12.08 | 6.72 |
Preoperative AVT of TL/LC (mm) | 0.00 | 23.00 | 7.15 | 5.13 |
Postoperative AVT of TL/LC (mm) | 0.00 | 19.00 | 7.79 | 4.93 |
Preoperative CB (mm) | −16.35 | 40.00 | 11.94 | 9.70 |
Postoperative CB (mm) | −14.00 | 25.00 | 7.48 | 6.90 |
Shoulder balance | ||||
Preoperative CA (o) | −10.00 | 11.00 | 1.89 | 2.69 |
Postoperative CA (o) | −2.00 | 8.00 | 1.93 | 1.55 |
Preoperative RSH (mm) | −24.00 | 40.00 | 8.18 | 10.96 |
Postoperative RSH (mm) | −5.00 | 24.00 | 7.49 | 5.73 |
HRQOL | ||||
Preoperative SRS-22 total score | 3.20 | 4.40 | 3.92 | 0.25 |
Postoperative SRS-22 total score | 3.40 | 4.40 | 4.08 | 0.22 |
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 |
Univariate analysis
Variables | Postoperative neck tilt group CAT≧5o (n = 41) | Postoperative non-neck tilt group CAT<5o (n = 61) | P value |
---|---|---|---|
Demographic parameters | |||
Age (years) | 14.81 ± 2.44 | 14.74 ± 1.78 | 0.897 |
Risser sign (o) | 3.12 ± 1.66 | 3.43 ± 1.31 | 0.305 |
Gender (male/female) | 15/26 | 20/41 | 0.692 |
UIV-T1 (segment) (0/1/2/3/4/5) (n) | 3/4/18/9/7/0 | 4/6/18/27/4/2 | 0.118 |
Coronal parameters | |||
Preoperative CAT (o) | 3.78 ± 3.21 | 2.95 ± 3.78 | 0.252 |
Preoperative T1 tilt (o) | 5.16 ± 6.31 | 4.64 ± 4.90 | 0.640 |
Postoperative T1 tilt (o) | 6.02 ± 3.46 | 3.82 ± 3.60 | 0.003 |
Preoperative PTC (o) | 31.56 ± 8.06 | 24.46 ± 10.59 | < 0.001 |
Postoperative PTC (o) | 22.76 ± 7.87 | 15.44 ± 7.73 | < 0.001 |
Preoperative AVT of PTC (mm) | 24.28 ± 14.07 | 18.82 ± 15.63 | 0.073 |
Postoperative AVT of PTC (mm) | 10.29 ± 3.14 | 5.71 ± 3.95 | < 0.001 |
Preoperative MTC (o) | 48.34 ± 9.39 | 48.02 ± 13.36 | 0.893 |
Postoperative MTC (o) | 17.85 ± 8.07 | 20.98 ± 10.55 | 0.111 |
Preoperative AVT of MTC (mm) | 53.81 ± 9.85 | 49.43 ± 12.83 | 0.066 |
Postoperative AVT of MTC (mm) | 15.52 ± 7.94 | 14.67 ± 8.78 | 0.615 |
Preoperative TL/LC (o) | 28.19 ± 12.93 | 29.21 ± 10.43 | 0.662 |
Postoperative TL/LC (o) | 10.63 ± 6.18 | 13.05 ± 6.94 | 0.075 |
Preoperative AVT of TL/LC (mm) | 7.21 ± 5.14 | 7.10 ± 6.22 | 0.819 |
Postoperative AVT of TL/LC (mm) | 8.01 ± 5.67 | 7.66 ± 4.10 | 0.743 |
Preoperative coronal balance (mm) | 12.63 ± 11.66 | 11.48 ± 8.20 | 0.560 |
Postoperative coronal balance (mm) | 4.32 ± 5.86 | 9.61 ± 6.76 | < 0.001 |
Shoulder balance | |||
Preoperative CA (o) | 1.29 ± 2.26 | 2.30 ± 2.90 | 0.062 |
Postoperative CA (o) | 1.76 ± 1.51 | 2.05 ± 1.58 | 0.352 |
Preoperative RSH (mm) | 8.37 ± 8.35 | 8.05 ± 12.47 | 0.887 |
Postoperative RSH (mm) | 6.80 ± 5.61 | 7.95 ± 5.81 | 0.325 |
Multivariate analysis
Variables | B | S.E. | Wald | Df | P value | Exp (B) | 95% CI | |
---|---|---|---|---|---|---|---|---|
Lower | Upper | |||||||
Postoperative PTC | 0.28 | 0.041 | 5.486 | 1 | 0.019 | 1.100 | 1.03 | 1.41 |
Postoperative CB | 0.112 | 0.041 | 7.427 | 1 | 0.006 | 0.894 | 0.69 | 0.93 |
Constant | 1.806 | 0.867 | 4.336 | 1 | 0.037 | 0.164 |
Variables | Immediate post-operation | Last follow-up | P value |
---|---|---|---|
Postoperative neck tilt group (n = 41) | |||
Coronal Parameters | |||
Postoperative CAT (°) | 6.55 ± 1.19 | 5.33 ± 1.41 | 0.001 |
Postoperative T1 tilt (°) | 6.02 ± 3.46 | 4.34 ± 4.02 | < 0.001 |
Postoperative PTC (°) | 22.76 ± 7.87 | 24.22 ± 8.11 | 0.307 |
Postoperative AVT of PTC (mm) | 10.29 ± 3.14 | 9.13 ± 2.86 | 0.038 |
Postoperative MTC (°) | 17.85 ± 8.07 | 19.01 ± 8.52 | 0.123 |
Postoperative AVT of MTC (mm) | 15.52 ± 7.94 | 15.23 ± 8.89 | 0.616 |
Postoperative TL/LC (°) | 10.63 ± 6.18 | 14.90 ± 8.17 | 0.002 |
Postoperative AVT of TL/LC (mm) | 8.01 ± 5.67 | 7.75 ± 6.02 | 0.441 |
Postoperative coronal balance (mm) | 4.32 ± 5.86 | 3.62 ± 4.04 | 0.146 |
Shoulder balance | |||
Postoperative CA (o) | 1.76 ± 1.51 | 1.45 ± 1.18 | 0.251 |
Postoperative RSH (mm) | 6.80 ± 5.61 | 6.45 ± 4.87 | 0.222 |
Postoperative non-neck tilt group (n = 61) | |||
Coronal Parameters | |||
Postoperative CAT (°) | 2.74 ± 1.56 | 3.01 ± 1.52 | 0.388 |
Postoperative t T1 tilt (°) | 3.82 ± 2.60 | 4.25 ± 3.19 | 0.551 |
Postoperative PTC (°) | 15.44 ± 7.73 | 17.21 ± 6.34 | 0.275 |
Postoperative AVT of PTC (mm) | 5.71 ± 3.95 | 5.22 ± 3.72 | 0.761 |
Postoperative MTC (°) | 20.98 ± 10.55 | 22.37 ± 8.67 | 0.430 |
Postoperative AVT of MTC (mm) | 14.67 ± 8.78 | 12.41 ± 7.48 | 0.178 |
Postoperative TL/LC (°) | 13.05 ± 6.94 | 15.18 ± 5.17 | 0.095 |
Postoperative AVT of TL/LC (mm) | 7.66 ± 4.10 | 7.31 ± 5.89 | 0.796 |
Postoperative coronal balance (mm) | 9.61 ± 6.76 | 7.83 ± 7.78 | 0.064 |
Shoulder balance | |||
Postoperative CA (°) | 2.05 ± 1.58 | 1.12 ± 1.09 | 0.131 |
Postoperative RSH (mm) | 7.95 ± 5.81 | 6.40 ± 3.19 | 0.072 |