Table 1.
Positivity comparison between H pylori -specific IgG and HP-NAP-specific antibodies in healthy individuals n (%)
| Total number tested | Positivity | |
| HP-specific IgG Abs | 89 | 47 (52.8) |
| HP-NAP-specific Abs (total healthy persons) | 89 | 13 (14.6)1 |
| HP-NAP-specific Abs (infected healthy persons) | 47 | 13 (27.7) |
P < 0.005 vs infected healthy persons; Abs: Antibodies.