Table 4.
Median survival from start of treatment according to the primary cancer diagnosis, motor impairment, multiplicity of metastases in the spine, and age
| n | Median survival, months | 95% CI | |
|---|---|---|---|
| Primary tumor | |||
| Myeloma/Lymphoma a | 79 | – | – |
| Breast | 152 | 18.8 | 13.5–24.2 |
| Prostate | 260 | 7.6 | 6.0–9.2 |
| Kidney | 40 | 4.0 | 2.4–5.6 |
| Other | 193 | 2.7 | 2.0–3.4 |
| Lung | 179 | 2.0 | 1.7–2.4 |
| Motor impairment b | |||
| Normal neurological status | 607 | 7.0 | 5.9–8.2 |
| Ambulatory with minor motor deficit (Frankel D) | 176 | 3.4 | 2.2–4.6 |
| Non-ambulatory | 98 | 1.8 | 1.2–2.4 |
| Multiplicity in spine | |||
| Single | 142 | 9.1 | 5.1–13.1 |
| Not single | 761 | 4.7 | 4.1–5.3 |
| Age | |||
| 19–49 | 70 | 12.0 | 3.5–20.6 |
| 50–69 | 400 | 5.6 | 4.4–6.7 |
| 70+ | 433 | 4.0 | 3.2–4.8 |
| All included patients | 903 | 5.1 | 4.4–5.7 |
a 42 of 79 patients with myeloma/lymphoma were alive at the follow-up.
b Motor impairment was unknown for 22 patients.