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Table 1 Demographic features and tumor characteristics of the patients with breast carcinoma

From: A comprehensive morphological study for basal-like breast carcinomas with comparison to nonbasal-like carcinomas

 

Total

BLBC

NBBC

p value

Age

(n=468)

(n=45)

(n=423)

 
 

Mean:53±12 (range: 19–86) years

Mean:49.3±12.9 (range: 19–78) years

Mean:53.3±12.7 (range: 27–86) years

p=0.04

Tumor size

(n=500)

(n=47)

(n=453)

 
 

Mean: 2.7±1.6 cm (0.4-20)

Mean: 2.8±1.4 cm (1–8)

Mean: 2.7±1.6 cm (0.4-20)

p=0.47

 

Median: 2.5 cm

Median: 2.5 cm

Median: 2.4 cm

 

<2 cm

203 (40.6%)

12 (26.5%)

191 (42.2%)

p=0.07

2-5 cm

275 (55%)

33 (70.2%)

242 (53.4%)

 

<5 cm

22 (4.4%)

2 (4.3%)

20 (4.4%)

 

Histological grade

(n=500)

(n=47)

(n=453)

p<0.0001

1

143 (28.6%)

0 (0%)

143 (31.6%)

 

2

175 (35%)

0 (0%)

175 (38.6%)

 

3

182 (36.4%)

47 (100%)

135 (29.8%)

 

Axillary lymph node metastasis

(n=489)

(n=44)

(n=445)

 
 

Mean: 5 (0–46)

Mean: 6 (0–27)

Mean: 5 (0–46)

p=0.51

0

214 (43.8%)

20 (45.5%)

194 (43.6%)

p=0.39

1-3

161 (32.9%)

16 (36.4%)

145 (32.6%)

 

4-9

74 (15.1%)

3 (6.8%)

71 (16%)

 

≥10

40 (8.2%)

5 (11.4%)

35 (7.8%)

 

Nipple invasion

(n=456)

(n=37)

(n=419)

p=0.53

Absent

34 (7.5%)

34 (91.9%)

388 (92.6%)

 

Present

422 (92.5%)

3 (8.1%)

31 (7.4%)

 

Breast skin invasion

(n=500)

(n=47)

(n=453)

p=0.16

Absent

15 (3%)

44 (93.6%)

441 (97.4%)

 

Present

485 (97%)

3 (6.4%)

12 (2.6%)

 

Fascia invasion

(n=469)

(n=43)

(n=426)

p=0.77

Absent

39 (8.3%)

39 (90.7%)

391 (91.8%)

 

Present

430 (91.7%)

4 (9.3%)

35 (8.2%)

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