Table 2.
Treatment Characteristics
| Total (n = 5364) |
pCR (n = 41) |
nCR (n = 57) |
iCR (n = 5266) |
P |
|---|---|---|---|---|
| Chemotherapy regimen, n (%) | 0.03 | |||
| No chemotherapy | 0 (0) | 0 (0) | 26 (1) | |
| Neoadjuvant | 34 (83) | 45 (85) | 3379 (66) | |
| Adjuvant | 0 (0) | 1 (1) | 71 (2) | |
| Both neoadjuvant & adjuvant | 7 (17) | 7 (13) | 1616 (31) | |
| Radiation regimen,* n (%) | 0.12 | |||
| No radiation | 10 (25) | 16 (28) | 1634 (31) | |
| Neoadjuvant | 30 (73) | 39 (68) | 2981 (57) | |
| Adjuvant | 1 (2) | 2 (4) | 575 (10) | |
| Both neoadjuvant & adjuvant | 0 (0) | 0 (0) | 34 (1) | |
| Diagnosis to chemotherapy, median (IQR), d | 28 (20–36) | 29 (20–41) | 27 (18–40) | 0.83 |
| Diagnosis to radiation, median (IQR), d | 51 (36–98) | 45 (26–95) | 68 (31–128) | 0.14 |
| Diagnosis to surgery, median (IQR), d | 195 (124–276) | 157 (127–212) | 139 (106–186) | 0.0001 |
Bold values are statistically significant
*
All patients included have undergone at least one component of neoadjuvant treatment, either chemotherapy and/or radiation. For example, if a patient received chemotherapy only in the adjuvant setting, then the patient would have received radiation in the neoadjuvant setting