Table 6.
Significant factors affecting bone metastasis, multiple logistic regression analysis
| β coefficient | Standard Error | Wald | P | Exp (β) | 95% CI for Exp (B) | ||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Lower | Upper | ||||||
| Num. of axillary lymph nodes | -2.033 | 0.214 | 90.012 | 0.000 | 0.131 | 0.086 | 0.199 |
| Tumor diameter | -0.061 | 0.082 | 0.555 | 0.456 | 0.940 | 0.800 | 1.105 |
| Age | -0.003 | 0.011 | 0.075 | 0.784 | 0.997 | 0.976 | 1.018 |
| Constant | 6.232 | 0.790 | 62.181 | 0.000 | 508.797 | ||
Dependent Variable: bone metastasis; Nagelkerke R2=0.436. Exp (β): Exponentiation of the B coefficient; CI: Confidence Interval.