Table 1

Distribution of genotypes of the -2221 (C/T) insulin polymorphism in German patients with autoimmune endocrinopathies and healthy controls



Genotype













CC
CT
TT

Allele









Group
n
n
%
n
%
n
%
p*
C%
T%
p*

HC
275
182
66.2
85
30.9
8
2.9

81.6
18.4

T1D
317
249
78.5
64
20.2
4
1.3
0.0027
88.6
11.4
8.9 × 10-4
HT
61
36
59.0
22
36.1
3
4.9
0.4898
77.0
23.0
0.2998
AD
107
73
68.2
25
23.4
9
8.4
0.0331
79.9
20.1
0.4738












APS-II
62
45
72.6
16
25.8
1
1.6
0.5870
85.5
14.5
0.3763

T1D + AIT
22
18
81.8
4
18.2
0
0
0.2898
90.9
9.1
0.2898
     T1D + HT
15
13
86.7
2
13.3
0
0
0.2479
93.3
6.7
0.1653
     T1D + GD
7
5
71.4
2
28.6
0
0
0.8851
85.7
14.3
0.9682












AD + AIT
33
22
66.7
10
30.3
1
3.0
0.9968
81.8
18.2
0.8948
     AD + HT
23
15
65.2
8
34.8
0
0
0.6790
82.6
17.4
0.9723
     AD + GD
10
7
70.0
2
20.0
1
10
0.3802
80.0
20.0
0.9138












T1D + AD + HT
7
5
71.4
2
28.6
0
0.0
0.8851
85.7
14.3
0.9682

P values are given uncorrected

*compared to healthy controls

Not significant after correction

Ramos-Lopez et al. BMC Medical Genetics 2008 9:65   doi:10.1186/1471-2350-9-65