From: Predicting the survival of patients with bone metastases treated with radiation therapy: a validation study of the Katagiri scoring system
Group
Total points
Median survival (m)
Survival (%)
P value
3 m
6 m
12 m
24 m
Low-risk
0–3
27
94.4
77.8
61.1
55.6
Intermediate-risk
4–6
6
67.7
48.7
31.2
16.0
High-risk
7–10
2
39.1
22.1
9.0
3.0
< 0.001