Table 2 Multivariate analysis for SRE
From: Bone Scan Index predicts skeletal-related events in patients with metastatic breast cancer
Hazard ratio | 95 % CI | P value | ||
|---|---|---|---|---|
BSI | ||||
<1.4 | 1.0 | Ref. | ||
≧1.4 | 2.37 | 1.13 | 4.95 | 0.022 |
Age | ||||
<50 | 1.0 | Ref. | ||
≧50 | 0.94 | 0.45 | 2.33 | 0.944 |
Metastasis site | ||||
Bone only | 1.0 | Ref. | ||
Brain | N.E | – | – | – |
Liver | 1.35 | 0.34 | 5.41 | 0.675 |
Lung | 0.99 | 0.22 | 4.53 | 0.990 |
PS | ||||
0 | 1.0 | Ref. | ||
1 | 1.06 | 0.47 | 2.40 | 0.890 |
2 | 2.030 | 0.45 | 9.10 | 0.354 |
Intrinsic subtype | ||||
Luminal | 1.0 | Ref. | ||
Luminal HER2 | 1.52 | 0.65 | 3.55 | 0.330 |
HER2 | 0.98 | 0.22 | 4.44 | 0.980 |
Triple negative | 0.58 | 0.76 | 4.57 | 0.612 |