Table 4 Consistency of H.pylori test results among diagnostic methods.

From: Cut-off optimization for 13C-urea breath test in a community-based trial by mathematic, histology and serology approach

Reference Methods

recomLine (N,%)

Total

Kappa

P

Positive

Negative

Giemsa

Positive

197(98.01)

4(1.99)

201(100.00)

0.828

<0.001

Negative

18(18.18)

81(81.82)

99(100.00)

  

13C-UBT

Positive

187(94.92)

10(5.08)

197(100.00)

0.707

<0.001

Negative

28(27.18)

75(72.82)

103(100.00)

  

Total

 

215

85

300