Table 2 Comparison of monoscopic images (FOP NM-10) vs stereoscopic images (Kowa) for image quality and agreement for glaucoma diagnosis.
Image grading by specialists | |||
|---|---|---|---|
Monoscopic images (FOP NM-10) N = 504 images | Stereoscopic images (Kowa) N = 503 images | ||
Excellent | 372 (73.8%) | 413 (82.1%) | |
Acceptable | 121 (24.0%) | 83 (16.5%) | |
Quality of fundus images | Total sufficient quality | 493 (97.8%) | 496 (98.6%) |
Insufficient | 8 (1.6%) | 3 (0.6%) | |
No consensus | 3 (0.6%) | 4 (0.8%) | |
Consensus amongst graders on diagnosis (Patient level) | Yes | 229 (95.8%) | 233 (96.7%) |
No | 10 (4.2%) | 8 (3.3%) | |
Inter-grader agreement (Cohens kappa, Glaucoma diagnosis) | Ophthalmologist 1 and 2 | 0.72 | 0.70 |
Ophthalmologist 1 and 3 | 0.74 | 0.76 | |
Ophthalmologist 2 and 3 | 0.73 | 0.79 | |
