Table 1 Clinicopathological characteristics of the breast cancer patients (all ages combined)
European | Arabic/Moroccan | P-value | |
|---|---|---|---|
Number | 350 | 91 | |
Mean age (SD) | 60 (13) | 49 (11) | 0.00001 |
Mean size (SD) | 19 (14) | 25 (18) | 0.008 |
pT | |||
< 20 mm | 216 (62%) | 45 (49%) | 0.04 |
≥ 20 mm | 134 (38%) | 46 (51%) | |
Tumor grade | |||
G1 | 69 (20%) | 7 (8%) | 0.02 |
G2 | 169 (48%) | 41 (45%) | NS |
G3 | 112 (32%) | 43 (47%) | 0.01 |
Nodes | |||
N positive | 78 (22%) | 26 (29%) | NS |
N Negative | 272 (78%) | 65 (71%) | |
Estrogen receptors | |||
Positive (>1%) | 301 (86%) | 72 (79%) | NS |
Negative | 49 (14%) | 19 (21%) | |
Progesterone receptors | |||
Positive (>1%) | 266 (76%) | 58 (64%) | 0.02 |
Negative | 84 (24%) | 33 (36%) | |
Mean Ki-67 (SD) | 20 (14) | 27 (20) | 0.003 |
Molecular classification | |||
Luminal A | 160 (46%) | 21 (23%) | 0.001 |
Luminal B | 141 (40%) | 51 (56%) | 0.02 |
HER2 | 17 (5%) | 5 (6%) | NS |
Triple negative | 32 (9%) | 14 (15%) | NS |