Detection of Helicobacter pylori: A faster urease test can save resources

Table 3 Sensitivity, specificity and predictive values of the Campylobacter-like organism and Quick tests in Group 2

Test (at 24 h)	True positive	True negative	Total
CLO test
Positive	14	1	15
Negative	0	65	65
Quick test
Positive	14	1	15
Negative	0	65	65

Campylobacter-like organism (CLO) test: sensitivity 100% [95% confidence interval (CI): 78.47-100], specificity 98.5% (95% CI: 91.9-99.73), positive predictive value (PPV) 93.3% (95% CI: 70.18-98.81), negative predictive value (NPV) 100% (95% CI: 94.42-100); Quick test: sensitivity 100% (95% CI: 78.47-100), specificity 98.5% (95% CI: 91.9-99.73), PPV 93.3% (95% CI: 70.18-98.81), NPV 100% (95% CI: 94.42-100).