Table 2. Inter-Observer and Intra-Observer Agreements for Contrast-Enhanced Ultrasound Analysis.

Parameters	Inter-Observer	95% CI	Intra-Observer	95% CI
AT (sec)	0.991	0.967–0.997	0.995	0.983–0.999
AC (sec)	0.772	0.208–0.934	0.974	0.909–0.992
TTP (sec)	0.955	0.843–0.987	0.992	0.972–0.998
PE (dB)	0.726	0.048–0.921	0.902	0.659–0.972

AC = acceleration time, AT = arriving time, CI = confidence interval, PE = peak enhancement, TTP = time to peak