Research Article
Surgical Design Optimization of Proximal Junctional Kyphosis
Table 2
Optimization performance on PJK and non-PJK group.
| No. | PJK after surgery | Weight (kg) | Age at operation (year) | Gender (male: M, female: F) | Predicted results (0 = without PJK and 1 = with PJK) | Pre-PJA (°) | Applied post-PJA (°) | Optimal post-PJA (°) |
| 1 | No | 56 | 15 | M | 0.425 | 12.4 | 12.9 | 12.6 | 2 | No | 42 | 17 | F | 0.296 | 5.8 | 7.7 | 6.3 | 3 | No | 64 | 13 | F | 0.345 | 6.9 | 7.8 | 7.4 | 4 | No | 52 | 20 | M | 0.174 | 5.2 | 9.6 | 3.9 | 5 | No | 37 | 13 | F | 0.270 | 2.4 | 1.7 | 3.4 | 6 | No | 45 | 16 | M | 0.331 | 18.0 | 16.6 | 18.2 | 7 | No | 71 | 20 | F | 0.556 (yes) | 0.9 | 4.8 | 1.2 | 8 | No | 41 | 13 | F | 0.306 | 4.6 | 3.2 | 6.0 | 9 | No | 40 | 13 | F | 0.361 | 5.1 | 7.6 | 6.1 | 10 | Yes | 32.5 | 16 | M | 0.508 | 10.7 | 17.2 | 11.5 | 11 | Yes | 60 | 18 | F | 0.401 (no) | 4.1 | 12.4 | 5.5 | 12 | Yes | 47.5 | 18 | F | 0.586 | 9.4 | 9.3 | 9.5 |
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