TABLE 1.
Baseline characteristics.
| Characteristic | Value |
|---|---|
| Demographic | |
| Age (years) | 55.4 ± 10.6 |
| Male sex | 124 (46.3%) |
| Clinical and surgical | |
| Preoperative ASIA impairment scale | |
| A to C | 51 (19.0%) |
| D or E | 217 (81.0%) |
| ECOG performance status | |
| Score 0–2 (≤50% of waking hours bed or chair bound) | 103 (38.5%) |
| Score 3–4 (>50% of waking hours bed or chair bound) | 165 (61.5%) |
| Surgery | |
| Corpectomy or vertebrectomy with stabilization | 117 (43.7%) |
| Decompression and stabilization | 70 (26.1%) |
| Decompression alone | 80 (29.9%) |
| Stabilization alone | 1 (0.4%) |
| Oncologic status | |
| No. of spine metastases | |
| 1 level | 91 (34.0%) |
| 2 levels | 35 (13.1%) |
| ≥3 levels | 142 (53.0%) |
| Visceral metastases at time of surgery | |
| None | 148 (55.2%) |
| Liver or lung | 99 (36.9%) |
| Brain | 30 (11.2%) |
| Prior local radiotherapy | 26 (9.7%) |
| Previous systemic therapy | 147 (54.9%) |
| Laboratory data | |
| WBC count (×103/μl) | 6.73 ± 3.04 |
| Hemoglobin (g/dl) | 12.3 ± 1.8 |
| Platelet count (×103/μl) | 226.6 ± 76.8 |
| Neutrophil count (×103/μl) | 4.86 ± 2.58 |
| Lymphocyte count (×103/μl) | 1.38 ± 0.71 |
| Albumin (g/dl) | 4.0 ± 0.5 |
| Alkaline phosphatase (IU/L) | 124.0 ± 148.6 |
Abbreviations: ASIA, American Spinal Injury Association; BMI, body mass index; ECOG, Eastern Cooperative Oncology Group.