TABLE 3.

H. bilis immune response: joint distributions according to the two laboratories

Antigen and H. bilis detection result (MIT)No. of samples (% positive) with result for H. pylori detection with OMP (Lund)a% AgreementKappaP
PositiveNegativeTotal
OMP (no preabsorption)
    Positive203454 (58.7)53.30.122NSc
    Negative92938
    Total296392
Sonicate
    Positive202141 (44.6)67.40.321<0.001
    Negative94251
    Total296392
Preabsorbed sonicateb
    Positive7714 (15.2)68.50.1510.05
    Negative225678
    Total29 (31.5)6392
  • a Percent positive values are indicated in parentheses.

  • b That is, the H. bilis CSPs after preabsorption with H. pylori lysate.

  • c NS, not significant.