Table 2

The comparison of Urease test and histopathology with the presence and absence of PPI.

Test

Sensitivity (95% C.I.)

Specificity (95% C.I.)

PPV (95% C.I.)

NPV (95% C.I.)

Urease Test with PPI

43.3% (30.9–50.6%)

86.4% (69.5–96.2%)

81.3% (58–94.8%)

52.8% (42.4–58.3%)

Urease Test without PPI

71.9% (59.2–80.7%)

80% (63.7–91.3%)

82.1% (67.6–92.3%)

69% (55–78.7%)

*95% confidence interval (CI) are given in brackets

Yakoob et al. BMC Gastroenterology 2005 5:38   doi:10.1186/1471-230X-5-38