Table 1 Patient’s basic characteristics
Characteristics | Patients (n = 272) |
|---|---|
Age (years, mean ± SD) | 67.92 ± 10.21 |
Gender | |
Male | 59.93% (163/272) |
Female | 40.07% (109/272) |
Primary cancer types | |
Slow growth | 28.31% (77/272) |
Moderate growth | 15.44% (42/272) |
Rapid growth | 56.25% (153/272) |
Preoperative treatments | |
Topical treatments | 36.40% (99/272) |
Systematic treatments | 32.72% (89/272) |
No treatment | 30.88% (84/272) |
Number of treated vertebrae levels | |
1 | 37.87% (103/272) |
2 | 26.10% (71/272) |
3 | 16.18% (44/272) |
≥ 4 | 19.85% (54/272) |
Vertebrae collapse | |
No collapse | 61.76% (168/272) |
Less than 50% | 24.63% (67/272) |
More than 50% | 13.60% (37/272) |
Cortical osteolytic destruction in posterior wall | |
Yes | 41.91% (114/272) |
No | 58.09% (158/272) |
Vertebral endplate fracture | |
Yes | 17.65% (48/272) |
No | 82.35% (224/272) |
The Bilsky scale | |
0 | 77.21% (210/272) |
1 | 10.29% (28/272) |
2 | 10.66% (29/272) |
3 | 1.84% (5/272) |
Appearance of spine metastases | |
Mixed lesions | 17.65% (48/272) |
Osteolytic lesions | 82.35% (224/272) |
Load-bearing lines of spine | |
Normal | 88.24% (240/272) |
Abnormal | 11.76% (32/272) |
Vascular cement leakage | |
Yes | 26.47% (72/272) |
No | 73.53% (200/272) |
The total number of included vertebrae | 632 |
Sites of vertebra | |
Cervical | 1.27% (8/632) |
Thoracic | 46.04% (291/632) |
Lumbar | 46.04% (291/632) |
Sacral | 6.65% (42/632) |