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Number of patients with low and high XPA expression in the NAC effective and NAC ineffective groups.
| Number of patients (%) | |||
|---|---|---|---|
| XPA expression | NAC + OP + R n=31 | NAC + R n=25 | P-value |
| Low expression (≤3 score) | 15 (88%) | 2 (12%) | 0.001a |
| High expression (≥4 score) | 16 (41%) | 23 (59%) | |
χ2 test; NAC+OP+R, neoadjuvant chemotherapy + surgery + radiotherapy; NAC+R, neoadjuvant chemotherapy + radiotherapy; XPA, xeroderma pigmentosum complementation group A.
