Table 5.
Fusion from pelvis/sacrum to upper instrumented vertebrae group and associated reoperation rates.
Reoperation Factors
|
Thoracic (T9–T11)
|
Upper Lumbar (L1–L2)
|
Lower Lumbar (L3–L5)
|
Total, n (%)
|
P
Valuea |
Reoperation rate at 1-y FU, n (%) | 12 (12.1) | 11 (10.2) | 17 (5.8) | 40 (8.0) | .09 |
Reoperation rate at year 2 FU, n (%) | 23 (23.2) | 20 (18.5) | 39 (13.4) | 82 (16.5) | .06 |
Reoperation rate at last FU, n (%) | 28 (28.3) | 29 (26.9) | 53 (18.2) | 110 (22.1) | .046 |
Days to reoperation, mean ± SD | 456.8 ± 373.0 | 512.0 ± 407.6 | 544.2 ± 455.2 | 513.5 ± 421.0 | .677 |
Reoperation for adjacent segment disease, n (%) | 1 (1.0) | 9 (8.3) | 13 (4.5) | 23 (4.6) | .042 |
Reoperation for proximal junctional kyphosis, n (%) | 4 (4.0) | 1 (0.9) | 0 (0.0) | 5 (1.0) | .002 |
Reoperation for pseudoarthrosis, n (%) | 13 (13.1) | 5 (4.6) | 18 (6.2) | 36 (7.2) | .035 |
Abbreviation: FU, follow-up.
Boldface indicates statistical significance.