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Postoperative CT findings 2.
| Variable | Shrink group (n = 35) | No change group (n = 25) | p |
|---|---|---|---|
| Distal landing zone Th level (Th)(range) | Th 7.5 (6–8) | Th 7.4 (5–8) | 0.5909 |
| Landing length (mm) | 46.0 | 47.7 | 0.8173 |
| Stent migration length (vertebra) | 0.45 | 0.69 | 0.0678 |
| Stent migration length >1 vertebra (n) | 3 (8.6%) | 7 (28.0%) | 0.1378 |
| Landing zone angle from axis | 17.6° | 26.7° | 0.0445 |
| Landing zone angle change Δ | 12.8° | 10.9° | 0.7040 |
