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. Author manuscript; available in PMC: 2009 Apr 1.
Published in final edited form as: Clin Gastroenterol Hepatol. 2008 Mar 4;6(4):426–370. doi: 10.1016/j.cgh.2007.12.030

Table 4.

Optimal cutoff values and sensitivity, specificity and accuracy provided by ROC curve

AGA II
AGA
TTG
IgA IgG IgA + G IgA IgG IgA IgG
Manufacturer Cutoff 20 20 20 30 30 4 6
ROC Cutoff 11.4 3.7 9.6 24.6 10.3 1.6 2.8
Sensitivity (%) 84 86 86 71 78 84 46
Specificity (%) 88 91 89 89 72 98 90
Accuracy (%) 86 89 88 81 75 92 71
AUC 0.93 0.95 0.94 0.82 0.78 0.91 0.71