Table 2. Reliability analysis with interclass correlation coefficient (ICC).
| Items | Interrater ICC (95% CI) | Intrarater ICC (95% CI) |
|---|---|---|
| r.Str (%) | 0.895 (0.755–0.952) | 0.891 (0.745–0.955) |
| c.Str (%) | 0.958 (0.897–0.983) | 0.940 (0.855–0.976) |
| r.SR (%) | 0.883 (0.729–0.952) | 0.823 (0.606–0.926) |
| c.SR (%) | 0.980 (0.950–0.992) | 0.964 (0.912–0.986) |
r.Str = radial strain; c.Str = circumferential strain; r.SR = radial strain rate; c.SR = circumferential strain rate.