Table 3. Pairwise differences and intraclass correlation coefficient (ICC) of FAZ measurements comparing the three different devices (R1, SCP, MD = mean difference, AD = absolute difference).
| Device | FAZ/mm2 | Compared to | MD | AD | p-value | ICC |
|---|---|---|---|---|---|---|
| Optovue | 0.309 ± 0.087 | Canon | 0.01 ± 0.02 | 0.02 ± 0.01 | 0.001 | 0.98 (0.953–0.991) |
| Heidelberg | -0.02 ± 0.02 | 0.02 ± 0.02 | 0.000 | 0.964 (0.919–0.984) |
||
| Canon | 0.295 ± 0.093 | Heidelberg | -0.03 ± 0.03 | 0.04 ± 0.02 | 0.002 | 0.958 (0.905–0.982) |
| Heidelberg | 0.326 ± 0.089 | - | - | - | - | - |