Correlation of the hydrogen breath test in comparison with lactase C>T−13910 genotype in 51 Chilean patients
| Sensitivity | 96.3% |
| Specificity | 87.5% |
| Predictive value-positive | 89.7% |
| Predictive value-negative | 95.5% |
| Likelihood ratio-positive | 7.7 |
| Likelihood ratio-negative | 0.04 |