Summary of all relevant patient data. Instrumentation: short (1 level above and 1 below the index level); long (≥2 levels above and ≥2 levels below the index level)
| Patient | Level of fracture | Etiology | Classification | Setting | Posterior surgery | Canal encroachment | Pedicle involvment† | Decompression | AK technique | SAIF screw | Instrumentation | VB height loss >50% | Cobb angle preop | Cobb angle postop | Cobb angle at 4 weeks | Pain (NRS) preop | Pain (NRS) postop | Frankel preop | Frankel postop |
| 1 | T11 | Osteoporosis | OF4 | AS | MIS | Y | / | N | VBS | Long | Y | 34.2° | 31° | 31.8° | 7 | 4 | E | E | |
| 2 | L3 | Tumor | SINS 11 | OR | MIS | N (foraminal compression) | Unilateral (severe) | Y | SAIF | Unilateral | Short | Y | 7.5° | 0.9° | 0.8° | 5 | 2 | D | E |
| 3 | L2 | Osteoporosis | OF3 | AS | OS | N | / | N | SAIF | Short | N | 28° | 11.3° | 15° | 8 | 2 | D | E | |
| 4 | T12 | Osteoporosis | OF4 | AS | MIS | Y | / | N | VBS | Long | Y | 17.3° | 10.6° | 12.6° | 5 | 4 | E | E | |
| 5 | L3 | Tumor | SINS 12 | AS | OS | N (foraminal compression) | Unilateral (mild) | Y | SAIF | Bilateral | Long | N | −15.3° | −24.6° | −24.5° | 8 | 6 | E | E |
| 6 | L1 | Trauma | A4 | OR | OS | Y | / | Y | SJ | Long | Y | 7.8° | 3.5° | 3.2° | 7 | 2 | E | E | |
| 7 | T4 | Tumor | SINS 14 | AS | OS | Y | Bilateral (severe) | Y | VBS | Long | Y | 19.8° | 15.6° | N.D. | – | – | D | D | |
| 8 | T12 | Trauma | A3 | OR | MIS | N | / | N | VBS | Long | Y | 34.2° | 25.6° | 30.1° | – | – | E | E | |
| 9 | L1 | Trauma | B2 | OR | OS | Y | / | Y | SJ | Long | Y | 23.8° | 6.2° | 11.2° | 4 | 0 | E | E | |
| 10 | L1 | Osteoporosis | OF5 | AS | MIS | Y | / | N | SAIF | Short | Y | 16.9° | 3.2° | 10.3° | – | – | E | E | |
| 11 | T6 | Tumor | SINS 12 | AS | MIS | N | Bilateral (severe) | N | VBS | Short | Y | 8.5° | 8° | 8.2° | 7 | 2 | E | E | |
| 12 | T12 | Tumor | SINS 16 | AS | MIS | N | Bilateral (severe) | N | VBS | Long | Y | 12° | 1.9° | 2.4° | 7 | 3 | E | E | |
| 13 | L1 | Trauma | A3 | OR | OS | Y | / | Y | SAIF | Short | Y | 32.4° | 6.3° | N.D. | 8 | 3 | E | E | |
| 13–1* | T12 | Osteoporosis | OR | OS | / | / | N | VBS | Long | 55° | 24.6° | 21.7° | 4 | 0 | E | E | |||
| 14 | T7 | Tumor | SINS 12 | AS | OS | Y | Unilateral (severe) | Y | SAIF | Unilateral | Long | Y | 22° | 22.3° | 22.9° | – | – | D | D |
| 15 | T3 | Osteoporosis | OF5 | AS | OS | Y | / | Y | SAIF | Long | Y | 56.5° | 40.3° | N.D. | 4 | 2 | C | D | |
| 16 | T3 | Tumor | SINS 14 | AS | OS | Y | N | Y | SAIF | Bilateral | Long | Y | 5.6° | 3.2° | 4.8° | 8 | 2 | E | E |
| 17 | T12 | Tumor | SINS 12 | OR | OS | Y | / | Y | SAIF | Bilateral | Short | Y | 0.1° | 1.1° | N.D. | – | – | – | – |
| 18 | T5 | Tumor | SINS 12 | AS | OS | Y | Bilateral (mild) | Y | SAIF | Bilateral | Long | Y | 17° | 15.4° | N.D. | – | – | – | – |
| 19 | L1 | Trauma | A4 | OR | OS | Y | Bilateral (mild) | N | VBS | Short | Y | 7.6° | 1.1° | 1.3° | 6 | 2 | E | E | |
| 20 | T10 | Tumor | SINS 9 | AS | OS | Y | / | Y | VBS | Long | Y | 31.2° | 28° | 28.1° | 5 | 0 | E | E | |
| 21 | T12 | Osteoporosis | OF4 | OR | OS | Y | Bilateral (severe) | Y | SAIF | Short | Y | 29.8° | 25° | 24.6° | 9 | 5 | E | E | |
| 22 | L2 | Trauma | A2 | OR | MIS | N | / | N | SAIF | Short | N | 15.1° | 3.9° | 4.3° | 7 | 3 | E | E | |
| 23 | T12 | Trauma | A4 | OR | OS | Y | / | N | VBS | Long | Y | 16.5° | 12.1° | 11.8° | 8 | 5 | E | E | |
| 24 | L1 | Osteoporosis | OF4 | AS | OS | Y | / | N | VBS | Short | Y | 19.9° | 13.4° | 12.6° | 7 | 3 | E | E |
*As specified in the text, patient 13 was treated twice due to implant failure.
†For neoplastic fractures only.
AK, armed kyphoplasty; AS, angiosuite; MIS, minimally invasive surgery; NRS, Numeric Rating Scale; OR, operating room; OS, open surgery; SAIF, stent-screw assisted internal fixation; SJ, SpineJack; VB, vertebral body; VBS, vertebral body stenting.