Table 2 Comparison of standard radiological measurements between cases and controls (n = 20)
Variable | Measurements (median [IQR]) | ||
|---|---|---|---|
Cases (n = 10) | Controls (n = 10) | P-value* | |
Overall Cobb angle (°) | |||
Pre-op | 57 (13) | 53 (12) | 0.732 |
Post-op | 11 (17) | 20 (11) | 0.403 |
6 wks | 15 (16) | 21 (10) | 0.427 |
Δ (pre-op vs 6 wks) | −40 (11) | −36 (12) | 0.448 |
AVT (mm) | |||
Pre-op | 45 (15) | 41 (19) | 0.140 |
Post-op | 11 (7) | 15 (11) | 0.383 |
6 wks | 14 (12) | 18 (4) | 0.307 |
Δ (pre-op vs 6 wks) | −32 (15) | −21 (16) | 0.028† |
Coronal balance (mm) | |||
Pre-op | 24 (4) | 22 (10) | 0.197 |
6 wks | 23 (4) | 19 (7) | 0.139 |
Δ (pre-op vs 6 wks) | −1.5 (6) | −2.5 (10) | 1.000 |
Apical intervertebral Cobb angle (°) | |||
Pre-op | 20 (6) | 17 (6) | 0.363 |
Post-op | 3 (2) | 9 (2) | < 0.001† |
6 wks | 2 (1) | 9 (2) | < 0.001† |
Δ (pre-op vs 6 wks) | −18 (8) | −10 (8) | 0.002† |
Thoracic kyphosis (°) | |||
Pre-op | 37 (16) | 37 (11) | 0.910 |
6 wks | 36 (11) | 45 (15) | 0.064 |
Δ (pre-op vs 6 wks) | −1 (6) | 9 (7) | 0.010† |
Lumbar lordosis (°) | |||
Pre-op | 53 (20) | 57 (7) | 0.544 |
6 wks | 52 (12) | 64 (12) | 0.023† |
Δ (pre-op vs 6 wks) | −4 (7) | 3 (6) | 0.017† |
Apical vertebral rotation (Nash and Moe Grade) | |||
Pre-op | 2 (1) | 2 (1) | 1.00 |
6 wks | 2 (1) | 2 (1) | 0.374 |
Δ (pre-op vs 6 wks) | −1 (1) | −1 (1) | 0.593 |