Table 1.
Patient and tumor characteristics
| Variables | |
|---|---|
| Sex (n = 133) | |
| Male | 85 (63.9) |
| Female | 48 (36.1) |
| Ethnicity (n = 115) | |
| African | 3 (2.6) |
| Asian/Pacific Islander | 4 (3.5) |
| Caucasian | 96 (83.5) |
| East Indian | 2 (1.7) |
| Hispanic | 8 (7.0) |
| Other | 2 (1.7) |
| Age at time of surgery (years) (n = 133) | 55.8 ± 16.4 |
| Pain at Diagnosis (n = 126) | |
| No | 11 (8.7) |
| Yes | 115 (91.3) |
| Pathologic Fracture at Diagnosis (n = 126) | |
| No | 117 (92.9) |
| Yes | 9 (7.1) |
| Previous Spine Tumor Operation (n = 133) | |
| No | 118 (88.7) |
| Yes | 15 (11.3) |
| Intralesional | 10 (66.7) |
| Marginal | 0 (0.0) |
| Wide | 1 (6.7) |
| Unknown | 4 (26.7) |
| How the Diagnosis Was Performed (n = 123) | |
| Open biopsy | 17 (13.8) |
| CT-trocar biopsy | 72 (58.5) |
| Intraoperative biopsy | 21 (17.1) |
| Other | 13 (10.6) |
| Spinal Level (n = 132) | |
| Mobile | 47 (35.6) |
| Fixed | 85 (64.4) |
| Diagnosis (n = 133) | |
| Chordoma | 92 (69.2) |
| Chondrosarcoma | 26 (19.5) |
| Ewing’s sarcoma | 3 (2.3) |
| Osteosarcoma | 7 (5.3) |
| Other malignant soft tissue tumors | 5 (3.8) |
| Tumor Grade (n = 133) | |
| Low (Ia/Ib) | 83 (62.4) |
| High (IIa/IIb) | 50 (37.6) |
| TERT Promoter Mutation (n = 133) | |
| No | 121 (91.0) |
| Yes | 12 (9.0) |
| TERT Status (n = 133) | |
| Wildtype | 121 (91.0) |
| C228T | 11 (8.3) |
| C250T | 1 (0.7) |
Data are presented as N (%), mean ± standard deviation or median (p25, p75).