Table 2.
The role of chemotherapy for metaplastic breast cancer (MBC) by CIF analysis and multivariate SH model before and after PSM.
| CIF analysis | Multivariate SH model | |||||||
|---|---|---|---|---|---|---|---|---|
| Status | Group | 5-year CID of cancer | p-value | 5-year CID of other causes | p-value | HR | 95% CI | p-value |
| Before matching | No Chemo | 0.211 | 0.574 | 0.182 | <0.001 | Reference | 0.72–1.6 | 0.72 |
| Chemo | 0.243 | 0.014 | 1.07 | |||||
| After matching | No Chemo | 0.199 | 0.627 | 0.129 | <0.001 | Reference | 0.6–1.69 | 0.98 |
| Chemo | 0.171 | 0.023 | 1.01 | |||||
CID, cumulative incidences of death; HR, hazard ratio; 95% CI, 95% confidence index.