Table 1

Characteristics of 226 nuclear families included in the family-based association studies

Number of affected siblings

Number of unaffected siblings

Number of unaffected parents

Number of affected parents

Number of nuclear families


2

0

0

0

71

2

0

2

0

33

2

0

1

0

14

2

0

1

1

5

2

1

0

0

4

2

2

0

0

3

2

1

0

1

3

2

1

2

0

2

2

2

2

0

1

3

0

0

0

9

3

0

2

0

6

3

0

1

0

4

3

0

1

1

2

3

1

0

0

1

3

1

1

0

1

4

0

0

0

1

4

0

2

0

2

4

0

1

0

1

4

1

2

0

1

1

0

2

0

25

1

0

1

1

8

1

0

1

0

2

1

0

0

1

7

1

1

0

0

3

1

1

0

1

3

1

1

2

0

1

1

1

1

1

1

1

2

0

0

1

1

2

0

1

1

1

2

2

0

1

1

3

0

0

1

1

3

2

0

1

0

2

0

0

1

0

2

1

1

2

0

1

0

1

3


Tsui et al. Arthritis Research & Therapy 2005 7:R513-R525   doi:10.1186/ar1701

Open Data