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Performance of the three stool antigen tests at baseline
| Sensitivity | Specificity | PPV | NPV | Accuracy | |
| (%) | (%) | (%) | (%) | (%) | |
| HpSA | 91.9 | 95.9 | 97.7 | 87.7 | 93.3 |
| HpStAR | 96.2 | 95.9 | 97.8 | 93.0 | 96.1 |
| ImmunoCard | 93.0 | 88.7 | 94.0 | 86.9 | 91.5 |
PPV, positive predictive value; NPV, negative predictive value.
