Table 2

Statistically significant genomic interactions

First level
Second level
Pearson's χ2 (2 d.f.)
P value

TNFA = 2
D4S403
9.10
0.011
TNFA = 2
D2S177
7.33
0.026
TNFA = 2
D1S229
6.88
0.032
TNFA = 1
D11S910
11.82
0.0027
TNFA = 1
D13S170
6.84
0.033
TNFA = 1
D16S287
6.63
0.036
D17S798 = 2
D2P25
6.41
0.041
D17S798 = 1
D5S429
7.08
0.029
D17S798 = 1
D1S197
6.94
0.031

Markers corresponding to the first and second level of each significant interaction, as well as Pearson χ2 statistics and corresponding P value, are shown. Affected sibling pairs (ASPs) genotyped for the TNFA and D17S798 marker were as follows (non-T1D sibling pairs were simulated to be twice the number of ASPs for each group): TNFA = 2, 520 ASP and 1,040 non-T1D sibling pairs; TNFA = 1, 206 ASP and 412 non-T1D sibling pairs; D17S798 = 2, 136 ASP and 272 non-T1D sibling pairs; D17S798 = 1, 254 ASP and 508 non-T1D sibling pairs.

Bergholdt et al. Genome Biology 2007 8:R253   doi:10.1186/gb-2007-8-11-r253