FTO and obesity due to melanocortin 4 receptor deficiency: In addition to obesity, the FTO rs9939609 polymorphism was found to be associated with type 2 diabetes in Vietnamese (OR per A allele = 1.61, 95% CI: 1.06-2.44) [44], South Asians (OR per A allele = 1.18, 95% CI: 1.07-1.30) [45], and Chinese (OR for allele A = 1.31, 95% CI: 1.10-1.55) [43].