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Table 3—

Sensitivity, specificity, positive predictive value, negative predictive value, false-positive ratio, false-negative ratio, positive and negative likelihood ratios, and precision for the diagnosis of either abnormal glucose tolerance during the OGTT or IGT for the 1997 or the 2003 IFG criteria

Abnormal 2-h postchallenge plasma glucose (diabetes and IGT)
IGT
1997 criteria2003 criteria1997 criteria2003 criteria
Sensitivity (%) 25.2 38.8 26.6 36.7 
Specificity (%) 98.3 92.8 97.3 90.7 
Positive predictive value (%) 78.7 56.3 63.6 40.8 
Negative predictive value (%) 84.6 86.3 88.4 89.1 
False-negative test (%) 15.4 13.6 11.6 10.8 
False-positive test (%) 21.2 43.6 36.3 59.1 
Positive likelihood ratio 14.8 5.38 9.84 3.96 
Negative likelihood ratio 0.76 0.65 0.75 0.69 
Precision (%) 84.2 82.3 86.8 82.7 
Abnormal 2-h postchallenge plasma glucose (diabetes and IGT)
IGT
1997 criteria2003 criteria1997 criteria2003 criteria
Sensitivity (%) 25.2 38.8 26.6 36.7 
Specificity (%) 98.3 92.8 97.3 90.7 
Positive predictive value (%) 78.7 56.3 63.6 40.8 
Negative predictive value (%) 84.6 86.3 88.4 89.1 
False-negative test (%) 15.4 13.6 11.6 10.8 
False-positive test (%) 21.2 43.6 36.3 59.1 
Positive likelihood ratio 14.8 5.38 9.84 3.96 
Negative likelihood ratio 0.76 0.65 0.75 0.69 
Precision (%) 84.2 82.3 86.8 82.7 
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