Table 3 Estimated coefficient and assigned points for each predictor
β coefficient | Hazard ratio | Values of variable | Absolute maximum β value | Rank | Assigned point | |
|---|---|---|---|---|---|---|
Serum albumin g/dl | − 0.453 | 0.634 | 1.1 to 4.1 by 0.1 | 1.359 | 3 | 65 |
Congestive heart failure | 0.591 | 1.806 | 0.1 | 0.591 | 9 | 28 |
Chronic obstructive pulmonary disease | 0.895 | 2.474 | 0.1 | 0.895 | 4 | 43 |
Cardiovascular disease | 0.467 | 1.594 | 0.1 | 0.467 | 10 | 22 |
Peripheral vascular disease | 0.706 | 2.026 | 0.1 | 0.706 | 6 | 34 |
Hemiplegia | 0.724 | 2.062 | 0.1 | 0.724 | 5 | 35 |
Malignant tumor (no metastasis) | 0.691 | 1.995 | 0.1 | 0.691 | 7 | 33 |
Metastatic malignant tumor | 2.090 | 4.668 | 0.1 | 2.090 | 1 | 100 |
Karnofsky Performance Status | − 0.018 | 0.981 | 100 to 20 by 10 | 1.440 | 2 | 69 |
Fracture within 12 months | 0.617 | 1.853 | 0.1 | 0.617 | 8 | 30 |