Table 5: Sensitivity and specificity of fasting plasma glucose to diagnose Type 2 diabetes (US population aged 40 – 69 years)


 

Sensitivity (%)

Specificity
(%)

Positive Predictive Value


2h post glucose challenge
Plasma Glucose

 

 

 


>200 mg/dL (>11.1 mmol/L)*

97

100

100

Fasting Plasma Glucose

 

 

 

>100 mg/dL (>5.5 mmol/L)

83

76

21

>120 mg/dL (6.6 mmol/L)

54

98

76

>140 mg/dL (7.7 mmol/L)

31

100

100


*1mM = 18 mg/dL Adapted from Harris MI. Diabetes Care 1993; 16: 642-652

Mandal et al.Journal of Diabetes Research and Clinical Metabolism  2012 1:15DOI : 10.7243/2050-0866-1-15