Table 2.
Pathologic factors of matched pairs
| Parameter (n = 76 pairs, else specified) | CB/Yes SD/Noa |
CB/No SD/Yes |
CB/Yes SD/Yes |
CB/No SD/No |
Odds Ratio (CI) | P-value |
|---|---|---|---|---|---|---|
| Tumor downstaging | 29 | 10 | 29 | 8 | 2.9 (1.4-6.7) | .004 |
| pCR | 6 | 5 | 7 | 58 | 1.2 (0.3-5.0) | 1 |
| LVSI | 4 | 3 | 1 | 68 | 1.3 (0.2-9.1) | 1.00 |
| PNI | 1 | 5 | 1 | 69 | 0.2 (0.0-1.8) | .22 |
| Radial resection margin | 12 | 20 | 3 | 26 | 0.6 (0.3-1.3) | .22 |
CB, concomitant boost; CI, confidence interval; LVSI, lymphovascular space invasion; pCR, pathologic complete response; PNI, perineural invasion; SD, standard dose.
a
Yes means patient experienced an outcome; no means patient did not experience an outcome.