Table 2. Multivariate Analysis Using the Pathological Complete Response (Breast and Lymph Nodes) End Point (n=250).

Effect	Odds Ratio (95% CI)	P Value for Effect
Treatment (combination vs trastuzumab)	2.88 (1.65-5.03)	<.001
Nodal status	1.35 (0.64-2.82)	.43
Hormone receptor status	2.78 (1.59-4.86)	<.001
Planned conservative surgery	1.14 (0.60-2.18)	.69
Tumor size	0.97 (0.55-1.72)	.91
>5% Tumor-infiltrating lymphocytes	2.60 (1.26-5.39)	.01