From "Outpatient Diagnostic Errors: Unrecognized Hyperglycemia" Effective Clinical Practice, January/February 2002. 5:11-16.
Figure 1. Recognition of diabetes. Diabetes was unrecognized in 18% (258/1426) of patients with laboratory data suggestive of this condition. Numbers of patients do not add up because some patients had multiple unrecognized tests. PG = plasma glucose; FPG = fasting plasma glucose; HbA1c = hemoglobin A1c.>