Table 2.
Intra-observer variability as determined with the intra-class correlation (ICC) coefficient using a two-way model.
| Intra-Observer ICC for the Anterior Muscle Group (Right Side) |
Intra-Observer ICC for the
Lateral Muscle Group (Right Side) |
Intra-Observer ICC for the
Deep Posterior Muscle Group (Right Side) |
Intra-Observer ICC for the
Soleus Muscle (Right Side) |
Intra-Observer ICC for the
Gastrocnemius Muscle (Right Side) |
|
| Average ICC (95% CI) | 0.946 (0.885–0.975) | 0.883 (0.746–0.946) | 0.728 (0.430–0.871) | 0.903 (0.794–0.954) | 0.919 (0.828–0.962) |
| Intra-observer ICC for the anterior muscle group (left side) |
Intra-observer ICC for the
lateral muscle group (left side) |
Intra-observer ICC for the
deep posterior muscle group (left side) |
Intra-observer ICC for the
soleus muscle (left side) |
Intra-observer ICC for the
gastrocnemius muscle (left side) |
|
| Average ICC (95% CI) | 0.955 (0.904–0.979) | 0.933 (0.857–0.969) | 0.828 (0.633–0.920) | 0.961 (0.914–0.982) | 0.892 (0.772–0.949) |
| Intra-observer ICC for the anterior muscle group (bilateral average) |
Intra-observer ICC for the
lateral muscle group (bilateral average) |
Intra-observer ICC for the
deep posterior muscle group (bilateral average) |
Intra-observer ICC for the
soleus muscle (bilateral average) |
Intra-observer ICC for the
gastrocnemius muscle (bilateral average) |
|
| Average ICC (95% CI) | 0.954 (0.902–0.978) | 0.942 (0.877–0.973) | 0.786 (0.548–0.899) | 0.948 (0.889–0.975) | 0.914 (0.819–0.960) |
| Intra-observer ICC for the cross-sectional leg area (bilateral average) |
Intra-observer ICC for the
anterior tibialis artery (right side) |
Intra-observer ICC for the
anterior tibialis artery (left side) |
Intra-observer ICC for the
posterior tibialis artery (right side) |
Intra-observer ICC for the
posterior tibialis artery (left side) |
|
| Average ICC (95% CI) | 0.961 (0.917–0.982) | 0.992 (0.992–0.992) | 0.988 (0.987–0.989) | 0.959 (0.957–0.960) | 0.986 (0.985–0.987) |
|
Intra-observer ICC for the
peroneal artery (right side) |
Intra-observer ICC for the
peroneal artery (left side) |
||||
| Average ICC (95% CI) | 0.934 (0.924–0.942) | 0.955 (0.953–0.957) | |||
ICC and confidence interval were calculated using a two-way model for 26 cases. ICC: intra-class correlation; CI: confidence interval.