Table 4.
Association of Recurrence Score group with breast-conserving surgery candidacy before and breast-conserving surgery received after neoadjuvant letrozole
| Recurrence Score group | No | Yes | p value* |
|---|---|---|---|
| BCS candidacy before neoadjuvant letrozole | |||
| RS < 18 | 60 (38%) | 97 (62%) | 0.878 |
| RS ≥ 31 | 20 (37%) | 34 (63%) | |
| BCS receiveda after neoadjuvant letrozole | |||
| RS < 18 | 31 (21%) | 118 (79%) | 0.009 |
| RS ≥ 31 | 19 (40%) | 29 (60%) | |
BCS breast-conserving surgery, RS Recurrence Score result
*p value based on the χ2 test
aAmong patients with nonmissing information on surgery received