| TESTS | NEGATIVE | POSITIVE | ||
| n | % | n | % | |
| Urease (n = 137) | 34 | 24.8 | 103 | 75.2 |
| Ag fecale (n = 137) | 46 | 33.6 | 91 | 66.4 |
| Combination of two tests | 28 | 20.4 | 109 | 79.6 |