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Analysis of LMP- and USG-dependent dating methods into the basic-trimester

Analysis of LMP- and USG-dependent dating methods into the basic-trimester

Development of an initial trimester dating formula was done by fitted fractional polynomial regression models of GA (weeks) while the a purpose of CRL (cm) to the Clinically-Filtered and you will DBSCAN datasets. The brand new results of one’s chose formula is verified on Take to DATASET.

Including CRL since the a first indication, a summary of 282 candidate variables is explored by element options tips towards the DBSCAN DATASET to understand other variables that could end up being predictive out-of GA into the earliest trimester. These procedures assisted discover uncorrelated, non-redundant keeps which could increase GA forecast accuracy (Dining table S4). Earliest, this new ability alternatives try done using Boruta , a random tree classifier, and this identified six have and you can 2nd, because of the using Generalised Linear Modeling (GLM) one to understood a couple of candidate predictors from GA.

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