Figure 1From: Prevalence, awareness and control of diabetes in the Seychelles and relationship with excess body weight Mean fasting serum insulin concentration by categories of body mass index (BMI) and categories of glucose metabolism impairment. NFG: normal fasting glucose; IFG: impaired fasting glucose; NGT: normal glucose tolerance; IGT: impaired glucose tolerance; DM: diabetes mellitus (excluding patients on insulin treatment).Back to article page