Odds Ratios with the 95% CI for the association between presence of the N363S polymorphism of the GRL gene and the likelihood of being obese in the published studies. In the study by Echwald et al (2001) only men, mean age = 45, were recruited from Copenhagen, Denmark. The study by Lin et al (1999) included men (53%) and women (47%), mean age = 50, from Sydney (Australia), the study by Lin et al (2003) included men (80%) and women (20%), mean age = 45, from Sydney (Australia). Test for heterogeneity Q = 12.3; 2 df; p < 0.01.
Marti et al. BMC Medical Genetics 2006 7:50 doi:10.1186/1471-2350-7-50