Obstetrics and Gynecology International / 2013 / Article / Tab 1

Clinical Study

The Effect of Ethnicity on 2D and 3D Frontomaxillary Facial Angle Measurement in the First Trimester

Table 1

FMFA medians, range, and number for both 2D and 3D according to ethnicity with Wilcoxon matched pairs signed-ranks test.

Caucasian (C)North Asian (NA)South Asian (SA)East Asian (EA)Comparison

2DMedian86.8°89.2°89.0°88.9°C-NA−6.21 0.001
C-SA−3.68 0.001
Range76.2°–97.3°84.3°–95.4°84.0°–93.4°86.2°–95.7°C-EA−3.54 0.001
NA-SA0.44 0.66
220954629NA-EA−1.050.29
SA-EA−0.530.60

3DMedian86.0°89.5°88.9°89.8°C-NA−8.18 0.001
C-SA−4.20 0.001
Range76.7°–95.7°85.2°–94.0°82.8°–92.4°86.8°–95.3°C-EA−4.87<0.001
NA-SA2.100.04
2201085136NA-EA−1.940.05
SA-EA−2.530.01

3.94−1.742.01−0.82
<0.0010.080.040.41

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