| Variable | Post-RT ambulatory rate, percent | Score |
| Type of primary tumor | ||
| Breast cancer | 81 | 8 |
| Prostate cancer | 68 | 7 |
| Myeloma/lymphoma | 89 | 9 |
| Non-small cell lung cancer | 54 | 5 |
| Small cell lung cancer | 64 | 6 |
| Cancer of unknown primary | 45 | 5 |
| Renal cell carcinoma | 62 | 6 |
| Colorectal cancer | 64 | 6 |
| Other tumors | 59 | 6 |
| Interval from tumor diagnosis to MSCC | ||
| ≤15 months | 58 | 6 |
| >15 months | 78 | 8 |
| Visceral metastases at the time of RT | ||
| Yes | 54 | 5 |
| No | 77 | 8 |
| Motor function before RT | ||
| Ambulatory without aid | 98 | 10 |
| Ambulatory with aid | 89 | 9 |
| Not ambulatory | 28 | 3 |
| Paraplegic | 7 | 1 |
| Time of developing motor deficits before RT | ||
| 1 to 7 days | 37 | 4 |
| 8 to 14 days | 69 | 7 |
| >14 days | 88 | 9 |
