Research Article

First-Trimester Crown-Rump Length and Embryonic Volume of Fetuses with Structural Congenital Abnormalities Measured in Virtual Reality: An Observational Study

Table 2

The mean percentage differences and -scores for EV after correction for the observed CRL both in the overall group of structural congenital abnormalities and the subgroups of structural congenital abnormalities.

Variable/congenital abnormalityMean difference in
%
(95% CI)
-score
(95% CI)

EV
Overall5127.86 (−14.34, 70.05)0.1910.92 (−0.66, 2.49)0.247
Craniofacial2−6.18 (−266.27, 253.92)0.813−0.40 (−11.64, 10.84)0.730
Cardiac52.90 (−11.97, 17.76)0.617−0.10 (−0.71, 0.51)0.673
Skeletal/muscles629.69 (−71.29, 130.66)04840.88 (−3.07, 4.82)0.591
Gastrointestinal1314.94 (−4.72, 34.60)0.1240.47 (−0.38, 1.31)0.254
Urogenital44.95 (−2.93, 12.82)0.1390.008 (−27.34, 28.98)0.932
Neurological14−1.82 (−25.66, 22.03)0.872−0.12 (−1.11, 0.87)0.798
Hydrops7150.26 (−211.03, 511.54)0.3485.50 (−7.89, 18.89)0.354

It is for observed mean difference versus 0.