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Table 2 Early or late occurrence of the most frequent aberrations in breast carcinoma

From: Analysis of the copy number profiles of several tumor samples from the same patient reveals the successive steps in tumorigenesis

Aberration

Occurrence in the common precursor (CP)

Occurrence between the CP and the primary tumor

Association with early/late events

+1q

53%

13%

0.050a

-3p

7%

13%

1

-6q

40%

0%

0.017a

-8p

60%

0%

0.00070c

+8p

0%

7%

1

+8q

53%

0%

0.0022b

-9p

27%

0%

0.10

-11q

20%

7%

0.60

+11q

0%

7%

1

-14q

27%

7%

0.33

+16p

0%

7%

1

-16q

47%

7%

0.035a

-17p

40%

20%

0.43

+17q

20%

13%

1

-18p

7%

7%

1

-18q

27%

7%

0.33

+20q

0%

0%

1

  1. aP ≤ 0.05; bP < 0.01; cP < 0.001; Fisher's exact test.