First examiner (n = 110) | Intra-examiner variation (n = 105) | Inter-examiner variation (n = 108) | ||||
---|---|---|---|---|---|---|
Mean (SD) | Range | CV mean (SD) | ICC (CI) | CV mean (SD) | ICC (CI) | |
Average RFNL thickness (μm) | 99.2 (8.8) | 75.3–122.5 | 1.6% (1.2) | 0.943 (0.920–0.961) | 1.5% (1.4) | 0.940 (0.914–0.959) |
Inferior | 130.8 (15.1) | 91.3–168.5 | 2.9% (2.1) | 0.916 (0.882–0.942) | 2.8% (2.4) | 0.889 (0.841–0.923) |
Superior | 123.2 (14.8) | 66.0–167.0 | 3.0% (2.6) | 0.848 (0.791–0.893) | 2.8% (4.1) | 0.851 (0.790–0.896) |
Nasal | 74.4 (11.5) | 47.0–102.3 | 3.3% (2.4) | 0.925 (0.895–0.948) | 3.1% (2.6) | 0.925 (0.892–0.948) |
Temporal | 67.8 (8.2) | 47.3–84.0 | 3.9% (11) | 0.894 (0.853–0.926) | 3.2% (4.8) | 0.767 (0.677–0.835) |
Disc area (mm2) | 1.89 (0.37) | 1.09–3.02 | 4.2% (5.4) | 0.919 (0.887–0.944) | 2.9% (4.1) | 0.949 (0.926–0.965) |
Rim area (mm2) | 1.52 (0.26) | 1.10–2.29 | 3.8% (5.0) | 0.902 (0.864–0.932) | 2.8% (3.6) | 0.929 (0.897–0.951) |
Average C/D ratio | 0.40 (0.15) | 0.07–0.66 | 4.5% (8.4) | 0.975 (0.964–0.983) | 3.2% (4.8) | 0.990 (0.985–0.993) |
Vertical C/D ratio | 0.39 (0.14) | 0.06–0.63 | 7.5% (12) | 0.942 (0.918–0.960) | 4.6% (6.6) | 0.977 (0.966–0.984) |
Cup volume (mm3) | 0.10 (0.10) | 0.0–0.42 | 11.0% (23) | 0.987 (0.982–0.991) | 8.1% (12.4) | 0.993 (0.990–0.995) |