Table 3

Mean and difference (95% CI) in body mass index (kg/m2) between individuals homozygous and heterozygous carriers of the 363S allele of the GRL gene and homozygotes for the N363 allele in studies with one population group

Study
363S/N363 363S/363S
N363/N363
Mean difference
% carriers
City, origin
Age, gender
Ref.



n
Mean BMI
n
Mean BMI
95% CI





Huizenga 98
12
28.1
198
26.6
1.5
1.3
1.7
5.7
Rotterdam, Netherlands
66–68, both
6
Halsall 00
38
26.3
453
25.8
0.5
0.4
0.6
7.7
Isle of Ely, UK
54, NA
7
Rosmond 01
25
26.0
243
26.2
-0.2
-1.8
1.4
9.3
Gotenburg, Sweden
NA, men
8
Dobson 01
23
26.1
352
26.6
-0.5
-2.6
1.7
6.1
Newcastle, UK
54, both
9
Morris 03
46
41.7
122
45.0
-3.3
-6.3
-0.3
27.4
Sydney, Australia
NA, NA
11
Rosmond 03
15
27.5
141
27.1
0.4
-1.6
2.4
9.6
Sävedalen, Sweden
NA, men
10
Roussel 03
20
29.6
349
28.0
1.6
-0.5
3.7
5.4
Paris, France
62, both
12
Wüst 04
16
21.1
92
22.0
-0.8
-2.4
0.7
14.8
Trier, Germany
18, men
14
Syed 04
2
28.2
293
27.1
1.1
-5.3
7.4
0.7
South Asian, UK
51, both
13

Total (n)
197

2243









NA: not available

Marti et al. BMC Medical Genetics 2006 7:50   doi:10.1186/1471-2350-7-50