Summary of test characteristics of lymphopaenia, elevated ACE and the combination of both for the diagnosis of sarcoid uveitis (data are presented as percentages (%))
| Biological parameters | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
| Elevated serum ACE | 45.8 | 88.8 | 44.9 | 89.2 |
| Lymphopaenia | 15.3 | 96.7 | 47.8 | 85.2 |
| Association of both parameters | 18.9 | 99.0 | 73.9 | 89.5 |
ACE, angiotensin-converting enzyme; NPV, negative predictive value; PPV, positive predictive value.