High-normal HbA1c is a strong predictor of type 2 diabetes in the general population. - Bonora E; Kiechl S; Mayr A; Zoppini G; Targher G; Bonadonna RC; Willeit J; Bonora, Enzo; Kiechl, Stefan; Mayr, Agnes; Zoppini, Giacomo; Targher, Giovanni; et al. (Diabetes Care, 2011)