Retrospective Cohort Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. Jul 14, 2020; 26(26): 3780-3791
Published online Jul 14, 2020. doi: 10.3748/wjg.v26.i26.3780
Table 4 Sensitivity, specificity, positive and negative predictive value of anti-tissue transglutaminase antibodies and anti-deamidated gliadin peptide antibodies autoantibodies (with standard cutoff values according to laboratory references 18 U/mL for anti-tissue transglutaminase antibodies and 20 U/mL for anti-deamidated gliadin peptide antibodies) for prediction of villous atrophy in patients with celiac disease
CharacteristicsSensitivity (%) (95%CI)Specificity (%) (95%CI)Accuracy (%) (95%CI)Positive predictive value (%) (95%CI)Negative predictive value (%) (95%CI)
Autoantibodies aTTG50.0 (26.0-74.0)85.7 (74.6-93.3)77.8 (67.2-86.3)50.0 (31.8-68.2)85.7 (78.9-90.6)
Autoantibodies aDGP77.8 (52.4-93.6)75.0 (62.1-85.3)75.6 (64.6-84.7)48.3 (36.1-60.7)91.8 (82.4-96.4)
Autoantibodies aTTG IgA50.0 (26.0-74.0)96.8 (89.0-99.6)86.4 (77.0-93.0)81.8 (51.6-95.0)87.1 (81.0-91.5)
Autoantibodies aTTG IgG5.6 (0.1-27.3)88.9 (78.4-95.4)70.4 (59.2-80.0)12.5 (1.8-52.1)76.7 (74.1-79.2)
Autoantibodies aDGP IgA72.2 (46.5-90.3)81.7 (69.6-90.5)79.5 (68.8-87.8)54.2 (39.2-68.4)90.7 (82.2-95.4)
Autoantibodies aDGP IgG61.1 (35.8-82.7)85.0 (73.4-92.9)79.5 (68.8-87.8)55.0 (37.6-71.2)87.9 (80.2-92.9)