Table 1.

Clinicopathologic Features According to ODx on CNB Indication Groups.

Characteristic	Group 1 (Limited tissue on excision)	Group 2 (Primary surgery vs neoadjuvant therapy)	Group 3 (Neoadjuvant chemoendocrine vs endocrine)	P value
Age (years)				0.38
Mean (SD)	52.5 (8.7)	58.9 (11.9)	58.5 (9.3)
Histologic type				0.20
Ductal	3	29	19
Lobular	2	6	10
Mixed ductal and lobular features	1	1	6
Clinical T stage				0.01
T1	6	14	6
T2	0	19	22
T3	0	1	5
T4	0	1	1
Clinical node status				0.08
Negative	6	29	22
Positive	0	5	12
Clinical prognostic stage				0.06
IA	6	11	6
IB	0	21	20
IIA	0	2	6
IIIA/B	0	2	2
IV	0	1	0
Nottingham grade				0.83
1	1	6	7
2	4	27	22
3	1	3	6
Oncotype RS (original criteria)				0.05
Low	3	15	23
Intermediate	3	18	6
High	0	4	6
Oncotype RS (TRAILORx criteria)
Low	1	6	7
Intermediate	5	22	20
High	0	9	8