Table 1.
Stepwise inclusion and exclusion counts
| Removal criterion | TNAC | TNBC | ||
|---|---|---|---|---|
| Removed | Remaining | Removed | Remaining | |
| 2010‐2016 TNAC or TNBC patients | 0 | 454 | 0 | 38 061 |
| Exclude men | 0 | 454 | 40 | 38 021 |
| Exclude patients whose tumor was not the first tumor | 81 | 373 | 6026 | 31 995 |
| Exclude patients without histology or cytology confirmation | 0 | 373 | 7 | 31 988 |
| Exclude patients without survival information/ diagnosed by autopsy/death record only | 0 | 373 | 0 | 31 988 |
| Exclude patients younger than 18 y | 0 | 373 | 1 | 31 987 |
| Exclude patients whose disease is stage T0/Tis | 2 | 371 | 45 | 31 942 |
| Exclude patients with bilateral involvement | 0 | 371 | 8 | 31 934 |
| Exclude patients with unknown T and/or N stage | 5 | 366 | 702 | 31 051 |
| Exclude patients with unknown surgery status | 0 | 366 | 55 | 30 996 |
| Final data set | 0 | 366 | 0 | 30 996 |