Table 4 Inter- and intra-observer reproducibility
Parameter variability | Inter-observer variability | Intra-observer |
|---|---|---|
Peak velocity of s1′ | 0.15 ± 2.12 cm/s | −0.14 ± 2.14 cm/s |
Peak velocity of s2′ | −0.04 ± 1.25 cm/s | −0.05 ± 1.36 cm/s |
Peak velocity of e’ | 0.27 ± 1.72 cm/s | 0.29 ± 1.46 cm/s |
Peak velocity pf a’ | 0.19 ± 1.43 cm/s | 0.18 ± 2.41 cm/s |
ICT | −5.34 ± 15.14 ms | −4.31 ± 10.22 ms |
IRT | 2.21 ± 10.03 ms | −1.31 ± 9.33 ms |
s1′ duration | 3.64 ± 10.31 ms | 1.92 ± 8.13 ms |
s2′ duration | −0.33 ± 18.75 ms | −0.29 ± 16.85 ms |
e’ duration | 0.88 ± 13.54 ms | −0.72 ± 11.14 ms |
a’ duration | 5.22 ± 9.36 ms | 3.98 ± 6.38 ms |