Table 3. Relative Risk for Residual Axillary Nodal Metastases After NCT in Patients Without vs With Breast pCR.

Subgroup	RR (95% CI)	P Value
N0	14.0 (0.8-237.0)	.07
N1	5.3 (2.7-10.3)	<.001
HER2+	4.9 (2.0-11.9)	<.001
TN	11.6 (3.7-36.0)	<.001
All	7.4 (3.7-14.8)	<.001

Abbreviations: NCT, neoadjuvant chemotherapy; pCR, pathologic complete response; RR, relative risk; TN, triple-negative; +, positive.