Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 14, 2011; 17(42): 4682-4688
Published online Nov 14, 2011. doi: 10.3748/wjg.v17.i42.4682
Table 3 Sensitivity and specificity of non-invasive tests in relation to invasive tests and a gold standard in 280 patients from Anchorage, Alaska, 1999-20001
Test type 1Test type 2SensitivitySpecificityNPV2PPV2Accuracy
13C-UBT3vsHistology93.6% (131/140)82.9% (116/140)92.8% (116/125)84.5% (131/155)88.2% (247/280)
Histology and CLO test®496.8% (121/125)78.1% (121/155)96.8% (121/125)78.1% (121/155)86.4% (242/280)
Culture93.1% (134/144)84.6% (115/136)92.0% (115/125)86.5% (134/155)89.0% (249/280)
Culture and CLO test®94.6% (123/130)78.7% (118/150)94.4% (118/125)79.4% (123/155)86.1% (241/280)
Gold standard93.3% (139/149)87.8% (115/131)92.0% (115/125)89.7% (139/155)90.7% (254/280)
Anti-HP IgG vsHistology91.5% (118/129)61.8% (81/131)88.0% (81/92)70.2% (118/168)76.5% (199/260)
Histology and CLO test®93.1% (108/116)58.3% (84/144)91.3% (84/92)64.3% (108/168)73.8% (192/260)
Culture93.3% (126/135)66.4% (83/125)90.2% (83/92)75.0% (126/168)80.3% (209/260)
Culture and CLO test®93.4% (113/121)60.4% (84/139)91.3% (84/92)67.3% (113/168)75.8% (197/260)
Gold standard92.9% (130/140)68.3% (82/120)89.1% (82/92)77.4% (130/168)81.5% (212/260)
Anti-HP IgG vs13C-UBT91.0% (131/144)68.1% (79/116)85.9% (79//92)78.0% (131/168)80.8% (210/260)
Histology vsCulture87.5% (126/144)89.7% (122/136)87.1% (122/140)90.0% (126/140)88.6% (248/280)
CLO test®vsHistology89.3% (125/140)90.7% (127/140)89.4% (127/142)90.6% (125/138)90.1% (252/280)
CLO test®vsCulture90.3% (130/144)94.1% (128/136)90.1% (128/142)94.2% (130/138)92.1% (258/280)