Table 2.
The results of multivariate subdistribution hazard model for T1bN0M0 TNBC
| Before PSM | After PSM | |||||
|---|---|---|---|---|---|---|
| Characteristics | HR | 95%CI | P value | HR | 95%CI | P value |
| Age | 1.01 | 0.98-1.04 | 0.48 | 1.00 | 0.97-1.03 | 0.81 |
| Marital_status | ||||||
| Married | Reference | Reference | ||||
| Unmarried | 1.21 | 0.71-2.08 | 0.49 | 1.38 | 0.69-2.78 | 0.36 |
| Race | ||||||
| White | Reference | Reference | ||||
| Nonwhite | 1.22 | 0.67-2.20 | 0.52 | 1.32 | 0.60-2.91 | 0.49 |
| Median_household_income | ||||||
| Quartile 1 | Reference | Reference | ||||
| Quartile 2 | 0.71 | 0.39-1.28 | 0.25 | 0.66 | 0.31-1.39 | 0.28 |
| Quartile 3 | 0.93 | 0.51-1.68 | 0.81 | 1.19 | 0.54-2.64 | 0.67 |
| Quartile 4 | 0.81 | 0.46-1.44 | 0.48 | 1.20 | 0.55-2.63 | 0.64 |
| Grade | ||||||
| I+II | Reference | Reference | ||||
| III | 1.53 | 0.78-3.00 | 0.22 | 1.08 | 0.48-2.40 | 0.86 |
| Radiation | ||||||
| None | Reference | Reference | ||||
| Yes | 0.63 | 0.36-1.09 | 0.10 | 0.57 | 0.27-1.19 | 0.14 |
| Chemotherapy | ||||||
| None | Reference | Reference | ||||
| Yes | 1.21 | 0.64-2.31 | 0.56 | 1.33 | 0.64-2.78 | 0.45 |
HR, hazard rate; CI, confidence interval.