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

Preat et al.

Preat et al. Diagnostic Pathology 2014 9:26   doi:10.1186/1746-1596-9-26

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