Reliability of Diagnostic Tests for Helicobacter pylori Infection

Table 2

Agreement between the results of the tests for H. pylori as evaluated by the Cohen’s kappa coefficient in study population of 304 subjects.

Test	Antrum and/or corpus	Antrum	Corpus
Serology-UBT	0.77	—	—
Serology-RUT	0.77	—	—
Serology-culture	0.84	—	—
Serology-histology	0.77	—	—
UBT-RUT	0.86	—	—
UBT-histology	0.83	—	—
UBT-culture	0.91	—	—
RUT-culture	0.90	0.90a	0.84b
RUT-histology	0.86	0.86	0.84
Culture-histology	0.88	0.82a	0.85b

RUT: rapid urease test, UBT: ¹³C-urea breath test.
aculture failed in two subjects, bculture failed in one subject.