Table 4 Survival rates at 12 months of the prognostic factors found significant or almost significant on multivariate analysis and the corresponding factor scores
From: Prognostic factors and a new scoring system for survival of patients irradiated for bone metastases
Prognostic factor | Survival rate at 12 months (%) | Factor score |
|---|---|---|
Age | ||
≤ 60 years | 48 | 5 |
61–70 years | 44 | 4 |
> 70 years | 38 | 4 |
Karnofsky performance score | ||
≤ 70 | 23 | 2 |
80–100 | 55 | 6 |
Type of primary tumor | ||
Breast cancer | 64 | 6 |
Prostate cancer | 52 | 5 |
Lung cancer | 30 | 3 |
Renal cell carcinoma | 63 | 6 |
Colorectal cancer | 25 | 3 |
Other tumors | 22 | 2 |