Sex- and Age-Specific Prevalence's of Diabetes and Prediabetes among Nauruan Adults 15-64 Years of Age. The crude and sex-standardized prevalence's of total diabetes and prediabetes are shown in Panels A and C, respectively. The crude and age-standarized prevalence's of total diabetes and prediabetes for men and women are shown in Panels B and D, respectively. Standardized prevalence's of prediabetes and diabetes is to the 2002 Nauru census. Total diabetes includes both previously diagnosed diabetes and previously undiagnosed diabetes (fasting plasma glucose ≥7 mmol/l). Prediabetes was defined as impaired fasting glucose (6.1-6.9 mmol/l).