Table 1.
Patient and Operative Characteristics.
| Characteristic | N (% or range) |
|---|---|
| Median age at surgery (years) | 82.8 (80.1-91.1) |
| Sex | |
| Male | 51 (65) |
| Female | 27 (35) |
| Metastatic tumor diagnosis | |
| Lung (NSCLC) | 18 (23) |
| Prostate | 17 (22) |
| Renal | 8 (10) |
| Breast | 7 (9) |
| Sarcoma | 5 (6) |
| Urothelial/Bladder | 5 (6) |
| Other | 18 (23) |
| Type of Surgery | |
| Open | 63 (81) |
| MIS | 15 (19) |
| Treatment level, No. (%) | |
| Cervical | 8 (10) |
| Cervicothoracic | 3 (4) |
| Thoracic | 42 (54) |
| Thoracolumbar | 2 (3) |
| Lumbar | 23 (29) |
| Length of Construct | |
| 3 levels | 17 (22) |
| 4 levels | 13 (17) |
| 5 levels | 18 (23) |
| 6 levels | 18 (23) |
| ≥ 7 levels | 12 (15) |
| Decompression performed | |
| Yes | 65 (83) |
| No | 13 (17) |
| Median estimated blood loss (mL) | 500 (10-3250) |
| Median length of surgery (minutes) | 146 (68-290) |
Abbreviations: NSCLC, non-small cell lung cancer; MIS, Minimally invasive surgery.