Observation of Clinical Efficacy of Parylene-Coated Occluder Based on Electronic Image of Visual Sensor in the Treatment of Congenital Heart Disease

Table 2

ASD size of 2DE, 3DE, X-ray images, and measured values of the measuring board (mm).

Measurement methods	Measured value
X-ray image measurement		<0.001	0.97
Two-dimensional ultrasonic measurement (upper and lower diameter)		<0.001	0.97
Three-dimensional ultrasonic measurement (upper and lower diameter)		<0.001	0.92
		>0.05	0.97
Measuring board value		>0.05	0.98