Table 4.

Prognostic factors for survival in patients with spinal metastases (including myeloma)—multivariate analysis (n = 69)

Variable	HR	95% CI	P
Primary tumour			<0.001*
(1) Moderate versus slow	1.07	0.51–2.22	0.857
(2) Rapid versus slow	9.32	3.87–22.5	<0.001*
Pathological fracturea	1.3	0.68–2.49	0.426
Visceral metastasesa	2.17	1.15–4.09	0.017*
Number of spinal metastasesb	1.37	0.52–3.63	0.521
Number of extraspinal bone metastasesa	0.95	0.32–2.73	0.916
Karnofsky score			0.08
(1) Intermediate versus high	1.8	0.49–6.55	0.375
(2) Low versus high	3.24	0.89–11.8	0.075
Neurol. symptomsc	1.33	0.69–2.54	0.386

Cox proportional hazards model

* Significant at P < 0.05

^aPresent versus absent

^bMore than one versus one

^cMRC 4–5 versus 0–3

HR hazard ratio, CI confidence interval