Table 3.
Curve types and deformity severity (PJK versus No PJK) based on SRS-Schwab classification
| All (n = 184) | PJK group (n = 21) | No PJK group (n = 163) | ||
|---|---|---|---|---|
| Double | 12 | 1 | 11 | |
| Thoracic | 2 | 0 | 2 | |
| Thoracolumbar/lumbar | 114 | 15 | 99 | |
| No major coronal deformity | 56 | 5 | 51 |
| SRS-schwab sagittal modifiers | ||||
|---|---|---|---|---|
| All | PJK | No PJK | P value | |
| PT | ||||
| 0 | 60 | 6 | 54 | P > 0.05 |
| + | 79 | 7 | 72 | P > 0.05 |
| + + | 45 | 8 | 37 | P > 0.05 |
| SVA | ||||
| 0 | 57 | 4 | 53 | P > 0.05 |
| + | 85 | 13 | 72 | P > 0.05 |
| + + | 42 | 4 | 38 | P > 0.05 |
| PL-LL | ||||
| 0 | 58 | 3 | 55 | P > 0.05 |
| + | 73 | 8 | 65 | P < 0.05 |
| + + | 53 | 10 | 43 | P > 0.05 |
P-values reflect comparisons between PJK vs no PJK