Graph showing percentage of total patients with PTD or IGT that would be detected in each category of FBG if an oral glucose tolerance test were performed (patients with FBG ≥126 mg/dl [7.0 mmol/L; n = 12] are not included). Graph showing percentage of total patients with PTD or IGT that would be detected in each category of FBG if an oral glucose tolerance test were performed (patients with FBG ≥126 mg/dl [7.0 mmol/L; n = 12] are not included). Kirsten A. Armstrong et al. CJASN 2006;1:100-108 ©2006 by American Society of Nephrology