Table 3.
Test characteristics of various algorithms examined to determine true POAG.
| Algorithm | Description | PPV (%) | NPV (%) | Sensitivity (%) | Specificity (%) | Percent Agreement (%) |
|---|---|---|---|---|---|---|
| 1a. | 1+ code (most negative assumptiona) | 65.9 | 95.2 | 100.0 | 82.6 | 87.8 |
| 1b. | 1+ code (excluding incomplete charts) | 70.2 | 100.0 | 100.0 | 90.7 | 92.4 |
| 1c. | 1+ code (most positive assumptionb) | 72.1 | 100.0 | 100.0 | 91.3 | 92.9 |
| 2 | 2+ codes | 68.3 | 92.9 | 69.9 | 92.3 | 88.1 |
| 3 | Meds dispensed | 75.4 | 93.2 | 76.0 | 93.0 | 89.2 |
| 4 | Meds dispensed and 1+ codes | 75.4 | 93.2 | 76.0 | 93.0 | 89.2 |
| 5 | Meds dispensed and 2+ codes | 76.3 | 88.2 | 48.0 | 96.3 | 86.7 |
a
Incomplete charts were coded incorrectly
b
Incomplete charts were coded correctly