Table 1 Clinical characteristics of African and European ancestry patients

Mean (SD), Median age (years)

54.01 (12.59), 53.74

55.90 (13.37), 56.01

Stage, n (%)

0

0 (0.00)

1 (0.04)

I

11 (1.77)

92 (3.27)

II

48 (7.70)

152 (5.41)

III

45 (7.22)

193 (6.87)

IV

519 (83.31)

2372 (84.41)

Subtype, n (%)

HR+/HER2-

221 (35.47)

1281 (45.59)

Triple-Negative

143 (22.95)

400 (14.23)

Other

259 (41.57)

1129 (40.18)

Tumor Grade, n (%)

Low

163 (26.16)

980 (34.88)

High

354 (56.82)

1198 (42.63)

Unknown

106 (17.01)

632 (22.49)