Table 4: Multivariate Survival Analysis Using the Cox Proportional Hazard Model

Multivariate Analysis (Cox Proportional Hazard Model) HR 95% CI P
Karnofsky score 0.886
  (1) Intermediate vs low 1.417 0.355-5.997 0.636
  (2) High vs Intermediate 1.218 0.350-4.239 0.756
No. of spinal metastases(Solitary vs Multiple) 0.304 0.336-2.580 0.275
No. of extraspinal metastases(absence vs presence) 1.058 0.465-2.404 0.893
Visceral metastases (absence vs presence) 2.264 1.041-4.922 0.039*
Neurologic deficit(Frankel scale) 0.955
  (1) A-B vs C-D 1.284 0.204-8.071 0.790
  (2) E vs C-D 1.089 0.294-4.026 0.899
Primary tumor 0.009*
  (1) Moderate vs slow 0.206 0.075-0.566 0.002*
  (2) Rapid vs moderate 0.712 0.286-1.772 0.465
Karnofsky score 0.886
  (1) Intermediate vs low 1.417 0.355-5.997 0.636
  (2) High vs Intermediate 1.218 0.350-4.239 0.756
No. of spinal metastases(Solitary vs Multiple) 0.304 0.336-2.580 0.275
No. of extraspinal metastases(absence vs presence) 1.058 0.465-2.404 0.893
Visceral metastases (absence vs presence) 2.264 1.041-4.922 0.039*
Neurologic deficit(Frankel scale) 0.955
  (1) A-B vs C-D 1.284 0.204-8.071 0.790
  (2) E vs C-D 1.089 0.294-4.026 0.899
Primary tumor 0.009*
  (1) Moderate vs slow 0.206 0.075-0.566 0.002*
  (2) Rapid vs moderate 0.712 0.286-1.772 0.465

* Is statistically significant.