Evaluation of Left Atrial Function in Patients with Paroxysmal Atrial Fibrillation Using Left Atrial Automatic Myocardial Functional Imaging Ultrasonography

Table 4

Interobserver and intraobserver variability.

Parameters	Interobserver variability			Intraobserver variability
	ICC	95% CI	value	ICC	95% CI	value
LAVmin	0.991	0.987–0.998	<0.001	0.991	0.973–0.996	<0.001
LAVmax	0.992	0.990–0.999	<0.001	0.995	0.992–0.999	<0.001
LAVpreA	0.992	0.991–0.998	<0.001	0.995	0.993–0.999	<0.001
LAEV	0.991	0.983–0.997	<0.001	0.986	0.967–0.996	<0.001
LAEF	0.992	0.974–0.996	<0.001	0.978	0.940–0.990	<0.001
S_R	0.993	0.982–0.997	<0.001	0.984	0.965–0.994	<0.001
S_CD	0.991	0.974–0.997	<0.001	0.977	0.949–0.992	<0.001
S_CT	0.993	0.988–0.998	<0.001	0.989	0.972–0.995	<0.001

ICC, intraocular correlation coefficient; CI, confidence interval.