Criteria for Diagnosing Diabetes and Hypertension: Temporal Trends in Cutoffs for Starting Treatment9,11
| Condition and Cutoff | 1992 | 1993 | 1998 | 2003 | Increase in Diagnosed Cases |
|---|---|---|---|---|---|
| Diabetes: fasting plasma glucose, mg/dL | |||||
| Diabetes | 140 | – | 126 | – | 10.3 milliona |
| Prediabetes | None | – | 110 | 100 | – |
| Hypertension: blood pressure, mm Hg | |||||
| In nondiabetic patients | 160/95 | 140/90 | – | – | 22.0 millionb |
| In diabetic patients | – | – | – | 130/80 | – |
| Prehypertension | None | – | – | 120/80 | – |
↵a Difference in the number of diagnosed cases of diabetes reported by the Centers for Disease Control and Prevention for 1997 and for 2009.39
↵b Difference in number of diagnosed cases of hypertension reported by the Centers for Disease Control and Prevention for 1991 and 2008.40,41 Because these numbers were reported as a percentage of the population aged older than 20 years (25% in 1991 and 30% in 2008), we used the US census reports of adult population size12 to convert to millions of people for this table.