Performance of the composite MGD score for predicting MGD on the basis of the size of the largest lesion, the number of lesions prospectively identified, and the Wisconsin Indexa
| MGD Score | No. of Patients | Sensitivity | Specificity | Positive Predictive Value |
|---|---|---|---|---|
| ≥1 | 35 | 100% | 9% | 24% |
| ≥2 | 33 | 94% | 36% | 30% |
| ≥3 | 31 | 89% | 64% | 43% |
| ≥4 | 24 | 69% | 81% | 51% |
| ≥5 | 15 | 43% | 93% | 65% |
| 6 | 7 | 20% | 98% | 70% |
↵a There were no patients with scores of zero. One patient did not have recent serologic data.