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Table 5 Correlation between the amplification and molecular breast subtypes.

From: Frequency, prognostic impact, and subtype association of 8p12, 8q24, 11q13, 12p13, 17q12, and 20q13 amplifications in breast cancers

Region of amplification

Basal

Non Basal

p-value

ERBB2

Non ERBB2

p-value

Luminal A

Non Luminal A

p-value

 

No. of patients (%)

 

No. of patients (%)

 

No. of patients (%)

 

11q13

         

Amplification

1 (5.5)

22 (45.8)

p = 0.006

2 (25)

21 (36.2)

NS

19 (57.6)

4 (12.1)

p = 0.0003

No Amplification

17 (94.5)

26 (54.2)

 

6 (75)

37 (63.8)

 

14 (42.4)

29 (87.9)

 

12p13

         

Amplification

5 (27.8)

2 (4.2)

p = 0.02

1 (11.1)

6 (10.5)

NS

1 (3.1)

6 (17.6)

NS

No Amplification

13 (72.2)

46 (95.8)

 

8 (88.9)

51 (89.5)

 

31 (96.9)

28 (82.4)

 

17q12

         

Amplification

0 (0)

6 (17.6)

NS

5 (71.4)

1 (2.2)

p = 2.061e-06

0 (0)

6 (20)

NS

No Amplification

19 (100)

28 (82.4)

 

2 (28.6)

45 (97.8)

 

23 (100)

24 (80)

p = 0.065

  1. NS: Not significant