Variable | Number of fetuses | Median [Q1; Q3] | Adjusted p-value | ||||
---|---|---|---|---|---|---|---|
C | E | C | E | β value | CI | P-value | |
Crown-rump length (mm) | 35 | 65 | 11.3 [10.8; 11.8] | 11.2 [10.8; 11.8] | −0.275 | [−0.821;0.271] | 0.332 |
Body width (mm) | 35 | 64 | 5.0 [4.7; 5.2] | 5.0 [4.7; 5.2] | 0.009 | [−0.245;0.263] | 0.945 |
Head length (mm) | 36 | 64 | 8.4 [7.5; 9.15] | 8.2 [6.9; 8.6] | −0.59 | [−1.116;-0.064] | 0.040* |
Head width (mm) | 36 | 64 | 4.3 [4.0; 4.6] | 4.2 [3.9; 4.5] | −0.107 | [−0.29;0.076] | 0.261 |
Body perimeter (mm) | 35 | 65 | 68 [63.9; 70.3] | 67.4 [64.9; 69.8] | 0.902 | [−2.457;4.26] | 0.602 |
Umbilical pulse (beat/min) | 33 | 65 | 222 [219.5; 227.5] | 214.5 [208.8; 218.6] | −8.807 | [−15.527;-2.088] | 0.018* |