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Table 3 Correlation of clinicopathologic parameters with breast cancer subtypes

From: Breast cancer in togolese women: immunohistochemistry subtypes

Variables Luminal A
N = 36
n (%)
Luminal B
N = 28
n (%)
Triple negative
N = 44
n (%)
HER enriched
N = 9
n (%)
P value
Mean age (years) 54.14 ± 12.7 51.07 ± 13.19 52.16 ± 12.44 46.33 ± 6.30 0.377
Age group (years)      
 < 40 1 (2.8) 5 (17.9) 8 (18.1) 1 (11.1) 0.172
[40–50] 14 (38.9) 6 (21.4) 12 (27.3) 6 (66.7)  
[50–60] 12 (33.3) 10 (35.7) 12 (27.3) 2 (22.2)  
 ≥ 60 9 (25) 7 (25) 12 (27.3) 0  
Menopausal status      
Premenopausal 7 (19.4) 10 (35.7) 13 (29.5) 5 (44.4) 0.163
Postmenopausal 29 (80.6) 18 (64.3) 31 (70.5) 4 (55.6)  
Stage      
I 3 (8.3) 0 0 0 0.025
II 15 (41.7) 12 (42.9) 18 (40.9) 0  
III 15 (41.7) 7 (25) 15 (34.1) 5 (55.6)  
IV 3 (8.3) 9 (32.1) 11 (25) 4 (44.4)  
Grade      
1 4 (11.1) 0 3 (6.8) 0  < 0.0001
2 29 (80.6) 7 (25) 17 (38.6) 7 (77.8)  
3 3 (8.3) 21 (75) 24 (54.6) 2 (22.2)  
Tumor size      
T1 6 (16.7) 1 (3.6) 3 (6.8) 0 0.078
T2 16 (44.4) 13 (46.4) 17 (38.7) 0  
T3 9 (25) 7 (25) 10 (22.7) 0  
T4 5 (13.9) 7 (25) 14 (31.8) 9 (100)