BioMed Research International / 2015 / Article / Tab 1

Research Article

Semiautomatic, Quantitative Measurement of Aortic Valve Area Using CTA: Validation and Comparison with Transthoracic Echocardiography

Table 1

Manual and semiautomatic AVA measurements.

Mean ± SD

Observer 1, manual measurements (cm2)0.88 ± 0.23
Observer 1, semiautomatic measurements (cm2)0.85 ± 0.15
Observer 2, manual measurements (cm2)0.98 ± 0.29
Observer 2, semiautomatic measurements (cm2)0.82 ± 0.18