Table 2.
The comparative results of radiological parameters between the SIS and DIS groups
| Radiological parameters | SIS (N = 49) |
DIS (N = 45) |
p value |
|---|---|---|---|
| Mean (SD) | Mean (SD) | ||
| Cobb’s angle (CA) | |||
| Pre-op | 29.8 (7.97) | 26.8 (8.31) | 0.581 |
| Post-op | 8.95 (3.50) | 6.38 (2.96) | 0.246 |
| At latest follow-up | 12.5 (5.30) | 8.04 (3.96) | 0.028 |
| Difference between post-op and latest follow-up | 3.55 (2.69) | 1.66 (2.27) | 0.016 |
| Vertebral wedge angle (VWA) | |||
| Pre-op | 37.5 (7.93) | 35.8 (8.87) | 0.680 |
| Post-op | 12.7 (3.34) | 10.1 (3.45) | 0.342 |
| At latest follow-up | 15.0 (3.10) | 11.2 (3.45) | 0.010 |
| Difference between post-op and latest follow-up | 2.3 (1.10) | 1.1 (1.07) | 0.004 |
| Vertebral body compression ratio (VBCR) | |||
| Pre-op | 57.3 (12.4) | 60.7 (12.0) | 0.846 |
| Post-op | 85.2 (14.0) | 89.3 (7.00) | 0.540 |
| At latest follow-up | 80.1 (13.6) | 87.1 (7.19) | 0.012 |
| Difference between post-op and latest follow-up | 5.1 (2.29) | 2.2 (1.37) | 0.006 |
| TSA | |||
| Pre-op (mm2) | 156.3 | 162.6 | 0.352 |
| At latest follow-up (mm2) | 242.4 | 268.5 | 0.215 |
The p-value in bold letters (p < 0.05) indicates statistically significant values