Table 3 Intra- and inter-observer precision of 3D calcaneal morphological measurements
Intra-observer | Inter-observer | |||||||
|---|---|---|---|---|---|---|---|---|
Examiner 1 | Examiner 1 vs. 2 | Examiner 1 vs. 3 | Examiner 2 vs. 3 | |||||
RMS-SD | CV (%) | RMS-SD | CV (%) | RMS-SD | CV (%) | RMS-SD | CV (%) | |
LCA (mm) | 0.6 | 0.8 | 1.5 | 2.1 | 0.8 | 1.0 | 1.6 | 2.2 |
HPF (mm) | 0.4 | 1.6 | 0.5 | 1.9 | 1.1 | 3.8 | 1.1 | 3.8 |
LPF (mm) | 0.5 | 1.9 | 0.7 | 2.9 | 1.0 | 4.1 | 1.3 | 5.1 |
LAP (mm) | 0.4 | 1.9 | 0.6 | 3.0 | 0.4 | 2.1 | 0.6 | 2.7 |
HAP (mm) | 0.4 | 1.7 | 0.6 | 2.3 | 0.8 | 3.0 | 0.8 | 3.2 |
GA (deg) | 1.2 | NA | 2.2 | NA | 1.6 | NA | 2.5 | NA |
BA (deg) | 1.0 | NA | 1.2 | NA | 1.5 | NA | 1.7 | NA |
APF (cm2) | 0.25 | 1.9 | 0.40 | 3.0 | 0.31 | 2.3 | 0.37 | 2.8 |
AMF (cm2) | 0.19 | 3.6 | 0.24 | 4.5 | 0.28 | 5.1 | 0.34 | 6.2 |