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Table 1 Frequency of CNVs and overlapping genes in breast cancer cases and controls

From: Increased genomic burden of germline copy number variants is associated with early onset breast cancer: Australian breast cancer family registry

Genomic feature

Total count

Mean frequency

Difference in means

Case/control ratio

P value

Cases (n = 200)

Controls (n = 293)

Cases

Controls

Case - controls

95% CI

CNVs

 All

5109

6133

25.6

20.9

4.6

3.2, 6.0

1.2

2e-10

 Deletions

3622

3644

18.1

12.4

5.7

4.4, 7.0

1.5

2e-16

 Gains

1487

2489

7.4

8.5

-1.1

-1.9, -0.3

0.9

0.01

CNVs overlapping genes

 All

1734

2069

8.7

7.1

1.6

0.9, 2.4

1.2

3e-05

 Deletions

1048

956

5.2

3.3

2.0

1.4, 2.6

1.6

4e-10

 Gains

686

1113

3.4

3.8

-0.4

-0.8, 0.1

0.9

0.1

Genes overlapping CNVs

 All

2816

3501

14.1

12.0

2.1

0.5, 3.8

1.2

0.01

 Deletions

1450

1368

7.3

4.7

2.6

1.7, 3.5

1.6

2e-08

 Gains

1366

2133

6.8

7.3

-0.5

-1.8, 0.9

0.9

0.5

  1. CNV copy number variation