Table 2.
Number and proportion of breast cancer patients with single and multiple sites of metastasis.
| Age (Years) | <50 | 50–69 | >69 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | Total | % | p-Value * | |
| Multiple sites | 31 | 44.3 | 72 | 41.9 | 45 | 30.4 | 148 | 37.9 | <0.001 |
| Bone | 13 | 18.6 | 34 | 19.8 | 32 | 21.6 | 79 | 20.3 | 0.006 |
| Liver | 6 | 8.6 | 19 | 11.0 | 18 | 12.2 | 43 | 11.0 | 0.025 |
| Other | 7 | 10.0 | 32 | 18.6 | 24 | 16.2 | 63 | 16.2 | <0.001 |
| Lung | 3 | 4.3 | 5 | 2.9 | 20 | 13.5 | 28 | 7.1 | <0.001 |
| Brain | 3 | 4.2 | 4 | 2.3 | 3 | 2.0 | 10 | 2.6 | 0.904 |
| Unknown site | 7 | 10.0 | 6 | 3.5 | 6 | 4.1 | 19 | 4.9 | 0.948 |
* p-values (chi-square test) for differences between subgroups.