RESUMEN
This study aimed to assess the prevalence of prediabetes using impaired fasting glucose (IFG) in secondary school students aged 10 to 19 years in Port Harcourt; Nigeria; and to determine associated risk factors. Fasting blood glucose (FBG); blood pressure (BP); and body mass index (BMI) was measured. All students who had a FBG of 5.6 - 6.9mmol/l were asked to undergo an oral glucose tolerance test (OGTT). A total of 880 students were studied. The prevalence of IFG using the International Society for Paediatric and Adolescent Diabetes (ISPAD) criteria was 17% and prevalence was comparatively higher in subjects who were obese; had systolic prehypertension or diastolic hypertension; as well as a family history of diabetes. There was; however; no statistical association between the BMI percentile categories; BP category; sex and age category; or family history of diabetes and occurrence of IFG. The prevalence of IFG was 4% using the World Health Organization (WHO) criteria. Only one child had diabetes. Sixty-six (42%) students who had IFG had an OGTT; of which 10(15%) had IGT. We conclude that prediabetes is common in this population; and screening should be considered; at least in those with obesity or a family history in diabetes