Application of different strategies to test-retest data: rim area repeatability for HRT Classic, HRT Explorer, and HRT-II Explorer in various test-retest protocol permutations
| HRT type | Strategy | Rim area repeatability coefficient (mm2) | ||||
|---|---|---|---|---|---|---|
| I | II | III | IV | |||
| MPHSD, mean pixel height standard deviation; I, intraobserver/intravisit; II, interobserver/intravisit; III, intraobserver/intervisit; IV, interobserver/intervisit. | ||||||
| HRT Classic | Standard reference plane | 0.21 | 0.29 | 0.19 | 0.24 | |
| 320 μm reference plane | 0.10 | 0.14 | 0.16 | 0.16 | ||
| 320 μm reference plane; MPHSD <25 | 0.04 | 0.09 | 0.07 | 0.09 | ||
| HRT Explorer | Standard reference plane | 0.28 | 0.31 | 0.30 | 0.26 | |
| 320 μm reference plane | 0.13 | 0.16 | 0.16 | 0.16 | ||
| 320 μm reference plane; MPHSD <25 | 0.07 | 0.09 | 0.09 | 0.11 | ||
| HRT II Explorer | Standard reference plane | 0.28 | 0.34 | 0.24 | 0.23 | |
| 320 μm reference plane | 0.17 | 0.17 | 0.18 | 0.20 | ||
| 320 μm reference plane; MPHSD <25 | 0.08 | 0.07 | 0.09 | 0.10 | ||