Table 1.
Baseline characteristics of the patients based on first-line treatment
| Characteristics | Primary surgery (n = 21) | Initial CT (n = 18) | P value |
|---|---|---|---|
| Gender | 0.726 | ||
| Male | 15 | 14 | |
| Female | 6 | 4 | |
| Age at diagnosis | 0.497 | ||
| < 18 y | 7 | 4 | |
| ≥ 18 y | 14 | 14 | |
| Spinal site | 0.750 | ||
| Sacral | 7 | 7 | |
| Nonsacral | 14 | 11 | |
| Number of pathological vertebra | 0.523 | ||
| 1 | 10 | 11 | |
| ≥ 2 | 11 | 7 | |
| Stage | 0.723 | ||
| Localized | 16 | 12 | |
| Metastatic | 5 | 6 | |
| Diameter of primary tumor | 1.000 | ||
| < 8 cm | 13 | 11 | |
| ≥ 8 cm | 8 | 7 | |
| Site of metastasis | 1.000 | ||
| Lung only | 3 | 3 | |
| Lung/bone/bone marrow | 2 | 3 | |
| Spinal cord compression | 0.141 | ||
| Yes | 18 | 11 | |
| No | 3 | 7 |
Unless otherwise stated, data shown are numbers of patients. CT, chemotherapy.