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Accuracy of disease detection among devices and ratios tested.
| Device | Standardizing tissue | Ratiometric threshold | Sensitivity | Specificity | Positive predictive threshold | Negative predictive threshold |
|---|---|---|---|---|---|---|
| Open-field | Muscle | 2.7 | 90.5% | 78.6% | 80.9% | 89.2% |
| Skin | 1.1 | 92.9% | 81.0% | 83.0% | 91.9% | |
| Closed-field | Muscle | 3.2 | 92.0% | 74.5% | 79.3% | 89.7% |
| Skin | 1.5 | 92.0% | 83.0% | 85.2% | 90.7% |
