Clinical Characteristics
Ultralow
(N=8)
Low
(N=36)
High1
(N=254)
High2
(N=159)
Overall
(N=457)
P-value
Age (Years)
Mean (SD) 51 (± 11) 53 (± 12) 54 (± 12) 53 (± 13) 54 (± 12) 0.937
Menopausal Status
NA-query 0 (0%) 0 (0%) 5 (2.0%) 3 (1.9%) 8 (1.8%) 0.965
Not applicable 1 (12.5%) 0 (0%) 7 (2.8%) 3 (1.9%) 11 (2.4%)
Post- 4 (50.0%) 21 (58.3%) 144 (56.7%) 97 (61.0%) 266 (58.2%)
Pre-/Peri- 3 (37.5%) 15 (41.7%) 94 (37.0%) 52 (32.7%) 164 (35.9%)
Unknown 0 (0%) 0 (0%) 4 (1.6%) 4 (2.5%) 8 (1.8%)
Race/Ethnicity
AAPI 0 (0%) 0 (0%) 4 (1.6%) 5 (3.1%) 9 (2.0%) 0.866
American Indian or Alaska Native 0 (0%) 0 (0%) 1 (0.4%) 0 (0%) 1 (0.2%)
Black 3 (37.5%) 3 (8.3%) 35 (13.8%) 24 (15.1%) 65 (14.2%)
Latin American 0 (0%) 1 (2.8%) 13 (5.1%) 8 (5.0%) 22 (4.8%)
Mixed 0 (0%) 1 (2.8%) 2 (0.8%) 0 (0%) 3 (0.7%)
NA-query 0 (0%) 0 (0%) 1 (0.4%) 0 (0%) 1 (0.2%)
Unknown 1 (12.5%) 3 (8.3%) 13 (5.1%) 14 (8.8%) 31 (6.8%)
White 4 (50.0%) 28 (77.8%) 185 (72.8%) 108 (67.9%) 325 (71.1%)
Tumor Stage
discordant-query 0 (0%) 0 (0%) 1 (0.5%) 1 (0.8%) 2 (0.6%) 0.0035
T1 1 (16.7%) 2 (7.1%) 52 (25.1%) 27 (22.1%) 82 (22.6%)
T2 2 (33.3%) 10 (35.7%) 105 (50.7%) 75 (61.5%) 192 (52.9%)
T3 1 (16.7%) 14 (50.0%) 37 (17.9%) 11 (9.0%) 63 (17.4%)
T4 2 (33.3%) 2 (7.1%) 12 (5.8%) 8 (6.6%) 24 (6.6%)
Lymph Node Status
N0 2 (33.3%) 10 (35.7%) 68 (33.0%) 58 (47.9%) 138 (38.2%) 0.682
N1 4 (66.7%) 15 (53.6%) 118 (57.3%) 49 (40.5%) 186 (51.5%)
N2 0 (0%) 2 (7.1%) 7 (3.4%) 5 (4.1%) 14 (3.9%)
N3 0 (0%) 1 (3.6%) 7 (3.4%) 5 (4.1%) 13 (3.6%)
Not assessed 0 (0%) 0 (0%) 6 (2.9%) 4 (3.3%) 10 (2.8%)
Grade
discordant-query 0 (0%) 2 (5.7%) 7 (2.8%) 3 (1.9%) 12 (2.6%) <0.001
G1 1 (12.5%) 1 (2.9%) 19 (7.5%) 1 (0.6%) 22 (4.9%)
G2 7 (87.5%) 30 (85.7%) 131 (52.0%) 28 (17.7%) 196 (43.3%)
G3 0 (0%) 1 (2.9%) 84 (33.3%) 121 (76.6%) 206 (45.5%)
Unknown 0 (0%) 1 (2.9%) 11 (4.4%) 5 (3.2%) 17 (3.8%)
BP Subtype
Basal 0 (0%) 0 (0%) 6 (2.4%) 83 (52.2%) 89 (19.5%) <0.001
HER2 0 (0%) 0 (0%) 0 (0%) 2 (1.3%) 2 (0.4%)
Luminal A 8 (100%) 34 (94.4%) 0 (0%) 0 (0%) 42 (9.2%)
Luminal B 0 (0%) 0 (0%) 242 (95.3%) 70 (44.0%) 312 (68.3%)
Not Requested 0 (0%) 2 (5.6%) 6 (2.4%) 4 (2.5%) 12 (2.6%)