Variables | ≥ L3 group (N = 22) | L4 group (N = 41) | ≤ L5 group (N = 31) | P-value |
---|---|---|---|---|
Total number of complications | 28 | 33 | 26 | 0.312 |
Major complication type | 3 | 2 | 7 | 0.066 |
Implants | 0(0%) | 0(0%) | 2(7.69%) | 0.087 |
Neurologic | 0(0%) | 0(0%) | 2(7.69%) | 0.087 |
Cardiopulmonary | 1(3.57%) | 0(0%) | 1(3.85%) | 0.524 |
Infection | 2(7.14%) | 1(6.06%) | 0(0%) | 0.504 |
Operative | 0(0%) | 1(6.06%) | 2(7.69%) | 0.387 |
Gastrointestinal | 0(0%) | 0(0%) | 0(0%) | – |
Renal | 0(0%) | 0(0%) | 0(0%) | – |
Vascular | 0(0%) | 0(0%) | 0(0%) | – |
Mortality | 0(0%) | 0(0%) | 0(0%) | – |
Total patient affected (%) | 4(18.2%) | 5(12.2%) | 6(19.4%) | 0.716 |
Total number of revisions | 6(27.3%) | 8(19.5%) | 8(25.8%) | 0.704 |
Recurrent revision | 0 | 0 | 0 | – |
Revision type | 0.400 | |||
Proximal junctional kyphosis | 2(9.09%) | 1(2.44%) | 1(3.23%) | |
Adding-on | 1(4.55%) | 2(4.88%) | 1(3.23%) | |
Implants failure | 0(0%) | 0(0%) | 3(9.68%) | |
Distal extension | 3(13.6%) | 2(4.88%) | 1(3.23%) | |
Others | 0(0%) | 3(7.32%) | 2(6.45%) |