Table 4.
Analysis of DSS for histologic subtypes within specific DMS
| Bone metastasis | Brain metastasis | Liver metastasis | Lung metastasis | |||||
|---|---|---|---|---|---|---|---|---|
| HR (95% CI) | P value | HR (95% CI) | P value | HR (95% CI) | P value | HR (95% CI) | P value | |
| Histology type | ||||||||
| IDC | REFa | REF | 2.196 (1.392‐3.465) | .001 | 1.263 (0.948‐1.682) | .110 | 1.034 (0.802‐1.332) | .797 |
| MBC | REF | REF | 1.370 (0.192‐9.793) | .754 | —b | — | 1.937 (0.433‐8.654) | .387 |
| MedBC | REF | REF | — | — | — | — | — | — |
| IDC‐ILC | REF | REF | 0.856 (0.098‐7.470) | .888 | 0.201 (0.030‐2.091) | .201 | — | — |
| ILC | REF | REF | 2.876 (0.318‐25.984) | .347 | 1.098 (0.139‐8.688) | .929 | 14.999 (1.301‐172.883) | .030 |
| IDC‐oth | REF | REF | — | — | — | — | 0.461 (0.076‐2.818) | .402 |
| AAC | REF | REF | — | — | — | — | — | — |
| IBC | REF | REF | 0.939 (0.11‐8.04) | .954 | 1.644 (0.393‐6.868) | .496 | 0.513 (0.144‐1.828) | .303 |
Bold indicates statistically significant value.
a
For calculation of HR value, a group of patients were defined as reference.
b
The number of patients was not enough for further calculation.