Table 4—

Diagnostic power of FBS

2hBS (mmol/l)
<7.8>7.8 <11.1
≤6.1NGT, n = 284Isolated IGT, n = 59
FBS (mmol/l)
>6.1 to <6.9Isolated IFG, n = 22Combined IFG/IGT, n = 14
  • The relationships between “the symptom” (FBS) and “the disease” (2hBS). Specificity = 284/306 = 93%; sensitivity = 14/73 = 19%; positive predictive value = 14/36 = 39%; and negative predictive value = 284/343 = 83%.