Scoring system for prediction of metastatic spine tumor prognosis

Table 8 Rades score for prostate cancer metastases

Prognostic factor	Score (points)
ECOG performance status
1-2	9
3-4	4
Ambulatory status prior to RT
Not ambulatory	4
Ambulatory before RT	8
Other bone metastases
No	7
Yes	5
Visceral metastases
No	8
Yes	2
Interval from cancer diagnosis to RT
≤ 15 mo	5
> 15 mo	7
Score group	Survival at 6 mo (%)
20-24 (n = 58)	6.5-7.4
25-34 (n = 189)	44.6-45.4
35-39 (n = 189)	94.7-95.8

ECOG : Eastern Cooperative Oncology Group. RT: Radiotherapy.