Table 3 Patient characteristics, radiographic data, and SRS-22r scores of the balanced group and imbalanced group.
Balanced group | Imbalanced group | P value | |||||
|---|---|---|---|---|---|---|---|
n | Mean | SD | n | Mean | SD | ||
Age (years) | 32 | 14.4 | 2.0 | 23 | 14.0 | 1.9 | 0.52 |
Sex | 0.03 | ||||||
Female | 23 | 22 | |||||
Male | 9 | 1 | |||||
UIV | 0.24 | ||||||
T2 | 23 | 20 | |||||
T3 | 3 | 1 | |||||
T4 | 5 | 1 | |||||
T5 | 1 | 0 | |||||
T6 | 0 | 1 | |||||
MSLV | 0.12 | ||||||
T2 | 12 | 6 | |||||
T3 | 2 | 2 | |||||
T4 | 7 | 1 | |||||
T5 | 7 | 8 | |||||
T6 | 4 | 6 | |||||
Relationship between UIV and MSLV | 0.02 | ||||||
Matched | 17 | 5 | |||||
Unmatched | 15 | 18 | |||||
Preoperative radiographic data | |||||||
PT Cobb angle (°) | 32 | 42.5 | 11.2 | 23 | 41.1 | 8.4 | 0.58 |
MT Cobb angle (°) | 32 | 57.8 | 9.3 | 23 | 52.9 | 10.2 | 0.07 |
C7PL-CSVL (cm) | 32 | 0.7 | 1.5 | 23 | 0.5 | 1.9 | 0.64 |
CA (°) | 32 | − 0.7 | 2.8 | 23 | 1.5 | 2.7 | < 0.01 |
T1 tilt (°) | 32 | 5.8 | 9.0 | 23 | 9.0 | 4.9 | 0.09 |
|RSH| (mm) | 32 | 9.7 | 7.2 | 23 | 10.3 | 6.9 | 0.73 |
MT AVT (cm) | 32 | 4.9 | 1.7 | 23 | 4.7 | 1.4 | 0.71 |
T5-12 thoracic kyphosis | 32 | 13.2 | 8.6 | 23 | 14.2 | 11.2 | 0.71 |
T12-S1 lumbar lordosis | 32 | 46.5 | 8.4 | 23 | 48.7 | 10.9 | 0.40 |
2-Year postoperative radiographic data | |||||||
PT Cobb angle (°) | 32 | 20.7 | 10.2 | 23 | 18.8 | 6.9 | 0.42 |
PT correction rate (%) | 32 | 51.0 | 18.0 | 23 | 53.2 | 17.1 | 0.64 |
MT Cobb angle (°) | 32 | 22.2 | 9.1 | 23 | 16.7 | 7.1 | 0.01 |
MT correction rate (%) | 32 | 61.7 | 14.8 | 23 | 67.4 | 14.5 | 0.15 |
C7PL-CSVL (cm) | 32 | 0.0 | 1.2 | 23 | 0.3 | 1.5 | 0.39 |
CA (°) | 32 | 1.5 | 1.8 | 23 | 4.6 | 2.1 | < 0.01 |
ΔCA (°) | 32 | 2.2 | 3.0 | 23 | 3.0 | 2.9 | 0.29 |
T1 tilt (°) | 32 | 6.4 | 4.6 | 23 | 7.2 | 4.2 | 0.51 |
ΔT1 tilt (°) | 32 | 0.6 | 7.4 | 23 | − 1.8 | 5.8 | 0.17 |
|RSH| (mm) | 32 | 5.1 | 3.2 | 23 | 17.7 | 5.9 | < 0.01 |
Δ|RSH| (mm) | 32 | − 4.6 | 6.9 | 23 | 7.3 | 8.1 | < 0.01 |
MT AVT (cm) | 32 | 1.6 | 1.0 | 23 | 1.2 | 0.9 | 0.10 |
T5-12 thoracic kyphosis | 32 | 21.0 | 8.1 | 23 | 20.5 | 8.9 | 0.83 |
T12-S1 lumbar lordosis | 32 | 45.3 | 8.1 | 23 | 45.7 | 11.3 | 0.89 |
Preoperative SRS-22r scores | |||||||
Pain | 29 | 4.1 | 0.7 | 21 | 4.3 | 0.7 | 0.25 |
Function | 29 | 4.4 | 0.5 | 21 | 4.5 | 0.5 | 0.41 |
Self-image | 29 | 2.7 | 0.6 | 21 | 3.1 | 0.4 | 0.02 |
Mental health | 29 | 3.8 | 0.8 | 21 | 4.1 | 0.7 | 0.21 |
Subtotal | 29 | 3.8 | 0.5 | 21 | 4.0 | 0.4 | 0.11 |
2-year postoperative SRS-22r scores | |||||||
Pain | 29 | 4.4 | 0.6 | 21 | 4.4 | 0.7 | 0.88 |
Function | 29 | 4.7 | 0.3 | 21 | 4.7 | 0.4 | 0.72 |
Self-image | 29 | 4.1 | 0.6 | 21 | 4.2 | 0.6 | 0.70 |
Mental health | 29 | 4.4 | 0.6 | 21 | 4.4 | 0.7 | 0.88 |
Subtotal | 29 | 4.4 | 0.3 | 21 | 4.4 | 0.5 | 0.83 |
Satisfaction | 29 | 4.2 | 0.8 | 21 | 4.2 | 0.6 | 0.80 |
Change in SRS-22r scores | |||||||
Pain | 29 | + 0.3 | 0.6 | 21 | + 0.1 | 0.9 | 0.24 |
Function | 29 | + 0.3 | 0.5 | 21 | + 0.2 | 0.7 | 0.50 |
Self-image | 29 | + 1.3 | 0.7 | 21 | + 1.0 | 0.7 | 0.11 |
Mental health | 29 | + 0.6 | 0.7 | 21 | + 0.3 | 0.8 | 0.23 |
Subtotal | 29 | + 0.6 | 0.4 | 21 | + 0.3 | 0.6 | 0.18 |
