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Table 5 Relation between the location of the placenta and the mean difference between 2D and 3D TVS EOD measurements

From: Towards more accurate measurement of edge to os distance in low-lying placenta using three dimensional transvaginal ultrasound: an innovative technique

Placental location

Mean difference (2D-3D estimate)

One way ANOVA

Games- Howel Post Hoc test

Anterior

1 mm

0.001

1

Anterior to the right

5.3 mm

0.028

Anterior to the left

4.7 mm

0.250

Posterior

0.7 mm

1

Posterior to the right

7.3 mm

0.073

Posterior to the left

4.3 mm

0.137

Right

13.4 mm

0.005

Left

14.4 mm

0.387