Table 1.
Comparison of Parameters in Two Groups
| Risk Factor | N(%) | Failure | Chi-Square Value | P(Log Rank Test) |
|---|---|---|---|---|
| Gender | 0.615 | 0.433 | ||
| Male | 108 (39.33%) | 12 (11.11%) | ||
| Female | 70 (60.67%) | 5 (7.14%) | ||
| Age ≥60 | 1.444 | 0.229 | ||
| N | 50 (28.01%) | 15 (30.00%) | ||
| Y | 128 (71.91%) | 2 (1.56%) | ||
| BMI≥24 | 1.270 | 0.260 | ||
| N | 136 (76.40%) | 11 (8.19%) | ||
| Y | 42 (23.60%) | 6 (14.29%) | ||
| Total vertebral body resection | 12.119 | 0.000 | ||
| N | 86 (48.31%) | 1 (1.16%) | ||
| Y | 92 (51.69) | 16 (17.39%) | ||
| Vertebral resection segment | 19.838 | 0.000 | ||
| Single section | 130 (73.03%) | 4 (3.08%) | ||
| Multiple segments | 48 (26.97%) | 13 (27.08%) | ||
| Tumor resection location | 0.607 | 0.738 | ||
| Thoracic vertebrae | 107 (60.11%) | 11 (10.28%) | ||
| Thoracolumbar vertebrae | 28 (15.73%) | 2 (7.14%) | ||
| lumbar vertebra | 43 (24.16%) | 4 (9.30%) | ||
| Bone cement | 1.994 | 0.158 | ||
| N | 117 (65.73%) | 14 (11.97%) | ||
| Y | 61 (34.27%) | 3 (4.92%) | ||
| Radiotherapy | 15.279 | 0.000 | ||
| N | 150 (84.27%) | 9 (6.00%) | ||
| Y | 28 (15.73%) | 8 (28.57%) | ||
| Chemotherapy | 0.872 | 0.350 | ||
| N | 146 (82.02%) | 15 (10.27%) | ||
| Y | 32 (17.98%) | 2 (6.25%) | ||
| Revision | 2.820 | 0.093 | ||
| N | 142 (79.78%) | 10 (7.14%) | ||
| Y | 36 (20.22%) | 7 (19.44%) | ||
| Tumor nature | 2.146 | 0.143 | ||
| Benign tumor | 42 (23.60%) | 7 (16.67%) | ||
| Malignant tumor | 136 (76.40%) | 10 (7.35%) | ||
| Metastatic cancer | 3.338 | 0.068 | ||
| N | 103 (57.87%) | 14 (13.59%) | ||
| Y | 75 (42.13%) | 3 (4.00%) | ||
| Multiple tumors | 3.947 | 0.047 | ||
| N | 134 (75.28%) | 9 (6.72%) | ||
| Y | 44 (24.72%) | 8 (18.28%) |
Note: Bold values indicate statistically significant values.