Table 3. Diagnostic Accuracy of the Model Developed Using the Ocular Hypertension Treatment Study Endpoint Committee Determination of End Points Based on Optic Disc Changes in Independent Test Setsa.
Source | Country | Ground truth determination | Test set size (images), No. | AUROC (95% CI) | Sensitivity | |||||
---|---|---|---|---|---|---|---|---|---|---|
Healthy | Glaucoma | All eyes | Mild glaucoma (VF MD ≥−6 dB) | 80% Specificity | 85% Specificity | 90% Specificity | 95% Specificity | |||
DIGS18 | US | Agreement by 2 expert graders from the University of California, San Diego, reviewing photographs only | 5184 | 4289 | 0.74 (0.69-0.79) | 0.71 (0.65-0.76) | 0.59 | 0.52 | 0.43 | 0.30 |
ACRIMA16 | Spain | 1 Expert grader reviewing photographs only | 309 | 396 | 0.74 (0.70-0.77) | Not available | 0.55 | 0.46 | 0.38 | 0.29 |
LAG17 | China | Glaucoma specialists from Beijing Tongren Hospital reviewing photographs, IOP, and VF | 3143 | 1711 | 0.79 (0.78-0.81) | Not available | 0.66 | 0.59 | 0.53 | 0.42 |
Abbreviations: ADAGES, African Descent and Glaucoma Evaluation Study; AUROC, area under the receiver operating characteristic curve; DIGS, Diagnostic Innovations in Glaucoma Study; IOP, intraocular pressure; LAG, Large-scale Attention-Based Glaucoma; MD, mean deviation; VF, visual field.
The DIGS/ADAGES data set consisted of photographs of 227 women and 151 men with a mean age of 64.0 years (95% CI, 63.5-64.6). Demographic characteristics of the LAG and ACRIMA study population are not readily available.