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Table 1.

Patient characteristics according to bone marrow status

Negative BM, n (%)Positive BM, n (%)All patients, n (%)
Age (mean, SD), n = 42 44.82 ± 9.93 39.41 ± 12.07 43.38 ± 11.15 
Menopausal status, n = 42    
    Premenopausal 14 (60.9) 13 (68.4) 27 (64.3) 
    Postmenopausal 9 (39.3) 6 (31.6) 15 (35.7) 
Stage at diagnosis, n = 42    
    II 11 (47.8) 2 (10.5) 13 (30.9) 
    III 10 (43.5) 6 (31.6) 16 (38.1) 
    IV 2 (8.7) 11 (57.9) 13 (31) 
BC histology, n = 42    
    Ductal 17 (73.9) 17 (89.5) 34 (81) 
    Lobular 4 (17.4) 2 (10.5) 6 (14.2) 
    Other 2 (8.7)  2 (4.8) 
Tumor grade (SBR), n = 32    
    Well differentiated (3-5) 2 (11.1) 1 (7.1) 3 (9.4) 
    Moderately differentiated (6-7) 8 (44.4) 4 (28.6) 12 (37.5) 
    Poorly differentiated (8-9) 8 (44.4) 9 (64.3) 17 (53.1) 
Estrogen receptors, n = 31    
    Negative, 0 9 (47.4) 5 (41.7) 14 (45.2) 
    Positive, +, ++ 9 (47.4) 7 (58.3) 16 (51.6) 
    Positive, +++ 1 (5.3)  1 (3.2) 
Progesterone receptor, n = 31    
    Negative, 0 9 (47.4) 6 (50) 15 (48.4) 
    Positive, +, ++ 9 (47.4) 5 (41.7) 14 (45.2) 
    Positive, +++ 1 (5.3) 1 (8.3) 2 (6.5) 
HER2NEU, n = 22    
    Negative 9 (69.2) 5 (55.6) 14 (63.6) 
    Positive 4 (30.74) 4 (44.4) 8 (36.7) 
Negative BM, n (%)Positive BM, n (%)All patients, n (%)
Age (mean, SD), n = 42 44.82 ± 9.93 39.41 ± 12.07 43.38 ± 11.15 
Menopausal status, n = 42    
    Premenopausal 14 (60.9) 13 (68.4) 27 (64.3) 
    Postmenopausal 9 (39.3) 6 (31.6) 15 (35.7) 
Stage at diagnosis, n = 42    
    II 11 (47.8) 2 (10.5) 13 (30.9) 
    III 10 (43.5) 6 (31.6) 16 (38.1) 
    IV 2 (8.7) 11 (57.9) 13 (31) 
BC histology, n = 42    
    Ductal 17 (73.9) 17 (89.5) 34 (81) 
    Lobular 4 (17.4) 2 (10.5) 6 (14.2) 
    Other 2 (8.7)  2 (4.8) 
Tumor grade (SBR), n = 32    
    Well differentiated (3-5) 2 (11.1) 1 (7.1) 3 (9.4) 
    Moderately differentiated (6-7) 8 (44.4) 4 (28.6) 12 (37.5) 
    Poorly differentiated (8-9) 8 (44.4) 9 (64.3) 17 (53.1) 
Estrogen receptors, n = 31    
    Negative, 0 9 (47.4) 5 (41.7) 14 (45.2) 
    Positive, +, ++ 9 (47.4) 7 (58.3) 16 (51.6) 
    Positive, +++ 1 (5.3)  1 (3.2) 
Progesterone receptor, n = 31    
    Negative, 0 9 (47.4) 6 (50) 15 (48.4) 
    Positive, +, ++ 9 (47.4) 5 (41.7) 14 (45.2) 
    Positive, +++ 1 (5.3) 1 (8.3) 2 (6.5) 
HER2NEU, n = 22    
    Negative 9 (69.2) 5 (55.6) 14 (63.6) 
    Positive 4 (30.74) 4 (44.4) 8 (36.7) 

Abbreviations: BM, bone marrow; BC, breast cancer; SBR, Scarf Bloom Richardson.

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