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Table 2 Likelihood ratio in favor of causality for selected pathogenic mutations

From: A simple method for co-segregation analysis to evaluate the pathogenicity of unclassified variants; BRCA1 and BRCA2 as an example

Gene

HGVS1

traditional2

protein

# fam3

LR per family4

LR-variant5

BRCA1

c.81-6T>A

IVS2-6T>A

p.Cys27fsX1

1

6.4287(5+; 3+; 1-; 3-)

6.4287

BRCA1

c.213-12A>G

IVS5-12A>G

p.Arg71fsX20

1

10.2701(1+; 3+; 6-)

10.2701

BRCA1

c.1292dup

1411insT

p.Leu431PhefsX5

2

1.7312(2+; 1+; 1-)

3.3715

     

1.9475(1+; 2+; 1-)

 

BRCA1

c.2193_2197del

2312delAGAAG

p.Glu733ThrfsX5

1

4.7089(2+; 1+; 4-)

4.7089

BRCA1

c.5095C>T

5214C>T

p.Arg1699Trp

3

22.8602(3+; 6+; 2-; 4-)

402.164

     

2.2720(1+; 1+; 1-)

 
     

7.7431(2+; 1+)

 

BRCA2

c.2806_2809del

3034delAAAC

p.Ala938ProfsX21

1

1.9901(2+; 1+; 1-)

1.9901

BRCA2

c.3269del

3497delT

p.Met1090SerfsX14

16

87.46(5+)

87.46

BRCA2

c.3599_3560del

3827delTG

p.Cys1200X

1

1.1876(1+; 3+; 1-)

1.1876

BRCA2

c.8067T>A

8295T>A

p.Cys2689X

1

12.2424(3+; 1+; 4-)

12.2424

BRCA2

c.8773C>T

9001C>T

p.Gln2925X

1

1.8827(1+; 3+)

1.8827

  1. 1–5 For clarification see Table 1.
  2. 6 Pedigree is shown in Figure 2.