Research Article

Thickness and Ratio of Noncompacted and Compacted Layers of the Left Ventricular Myocardium Evaluated in 56 Normal Fetuses by Two-Dimensional Echocardiography

Table 3

(a) Ratio of NC/C of four segments of left ventricular myocardial in normal fetus

NumberMean ±Std. Deviation95% Confidence Interval for Difference
Lower BoundUpper Bound

Anterior1120.807±0.4880.7150.898
Posterior1121.460±0.5011.3671.554
Lateral1121.674±0.6231.5581.791
Inferior1121.539±0.5331.4391.639

(b) Comparison of ratio of NC/C of four segments of left ventricular myocardial

(I) Divisions(J) DivisionsMean Difference (I-J)Std. ErrorSig.95% Confidence Interval for Difference
Lower BoundUpper Bound

AnteriorPosterior-0.6540.055<0.001-0.763-0.545
Lateral-0.8680.055<0.001-0.977-0.759
Inferior-0.7320.055<0.001-0.841-0.624

PosteriorAnterior0.6540.0551<0.0010.5450.763
Lateral-0.2140.055<0.001-0.323-0.105
Inferior-0.0790.0550.156-0.1870.030

LateralAnterior0.8680.055<0.0010.7590.977
Posterior0.2140.055<0.0010.1050.323
Inferior0.1350.0550.0150.0270.244

InferiorAnterior0.7320.055<0.0010.6240.841
Posterior0.0790.0550.156-0.0300.187
Lateral-0.1350.0550.015-0.244-0.027

The mean difference is significant at the 0.05 level.