Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 28, 2012; 18(32): 4399-4403
Published online Aug 28, 2012. doi: 10.3748/wjg.v18.i32.4399
Table 1 Results of small-intestinal biopsy and serology n (%)
Biopsy data
Patients n = 183 (100.0)Patients with CD n = 120 (65.6)Patients with normal histology n = 63 (34.4)
IgA EMANegative47 (25.7)4 (3.3)43 (68.3)
Positive136 (74.3)116 (96.7)20 (31.7)
IgA tTGA > 10Negative53 (29.0)4 (3.3)49 (77.8)
Positive130 (71.0)116 (96.7)14 (22.2)
IgA tTGA ≥ 100Negative96 (52.5)33 (27.5)63 (100)
Positive87 (47.5)87 (72.5)0 (0.0)
Table 2 Sensitivity, specificity, positive predictive value and negative predictive value of anti-endomysium antibodies and anti-tissue-transglutaminase antibodies (%)
SensitivitySpecificityPPVNPV
IgA EMA97 (91-99)68 (55-79)85 (78-90)91 (79-97)
IgA tTGA >1097 (91-99)78 (65-87)89 (82-94)92 (81-98)
IgA tTGA ≥ 10073 (63-80)100 (93-100)100 (95-100)66 (55-75)