Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling

Abstract Patients requiring low-dose warfarin are more likely to suffer bleeding due to overdose. The goal of this work is to improve the feedforward neural network model's precision in predicting the low maintenance dose for Chinese in the aspect of training data construction. We built the mod...

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Autores principales: Weijie Ma, Hongying Li, Li Dong, Qin Zhou, Bo Fu, Jiang-long Hou, Jing Wang, Wenzhe Qin, Jin Chen
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Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/5a52681b850b4718b18e30a28324d339
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spelling oai:doaj.org-article:5a52681b850b4718b18e30a28324d3392021-12-02T16:31:57ZWarfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling10.1038/s41598-021-93317-22045-2322https://doaj.org/article/5a52681b850b4718b18e30a28324d3392021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93317-2https://doaj.org/toc/2045-2322Abstract Patients requiring low-dose warfarin are more likely to suffer bleeding due to overdose. The goal of this work is to improve the feedforward neural network model's precision in predicting the low maintenance dose for Chinese in the aspect of training data construction. We built the model from a resampled dataset created by equal stratified sampling (maintaining the same sample number in three dose-groups with a total of 3639) and performed internal and external validations. Comparing to the model trained from the raw dataset of 19,060 eligible cases, we improved the low-dose group's ideal prediction percentage from 0.7 to 9.6% and maintained the overall performance (76.4% vs. 75.6%) in external validation. We further built neural network models on single-dose subsets to invest whether the subsets samples were sufficient and whether the selected factors were appropriate. The training set sizes were 1340 and 1478 for the low and high dose subsets; the corresponding ideal prediction percentages were 70.2% and 75.1%. The training set size for the intermediate dose varied and was 1553, 6214, and 12,429; the corresponding ideal prediction percentages were 95.6, 95.1%, and 95.3%. Our conclusion is that equal stratified sampling can be a considerable alternative approach in training data construction to build drug dosing models in the clinic.Weijie MaHongying LiLi DongQin ZhouBo FuJiang-long HouJing WangWenzhe QinJin ChenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Weijie Ma
Hongying Li
Li Dong
Qin Zhou
Bo Fu
Jiang-long Hou
Jing Wang
Wenzhe Qin
Jin Chen
Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling
description Abstract Patients requiring low-dose warfarin are more likely to suffer bleeding due to overdose. The goal of this work is to improve the feedforward neural network model's precision in predicting the low maintenance dose for Chinese in the aspect of training data construction. We built the model from a resampled dataset created by equal stratified sampling (maintaining the same sample number in three dose-groups with a total of 3639) and performed internal and external validations. Comparing to the model trained from the raw dataset of 19,060 eligible cases, we improved the low-dose group's ideal prediction percentage from 0.7 to 9.6% and maintained the overall performance (76.4% vs. 75.6%) in external validation. We further built neural network models on single-dose subsets to invest whether the subsets samples were sufficient and whether the selected factors were appropriate. The training set sizes were 1340 and 1478 for the low and high dose subsets; the corresponding ideal prediction percentages were 70.2% and 75.1%. The training set size for the intermediate dose varied and was 1553, 6214, and 12,429; the corresponding ideal prediction percentages were 95.6, 95.1%, and 95.3%. Our conclusion is that equal stratified sampling can be a considerable alternative approach in training data construction to build drug dosing models in the clinic.
format article
author Weijie Ma
Hongying Li
Li Dong
Qin Zhou
Bo Fu
Jiang-long Hou
Jing Wang
Wenzhe Qin
Jin Chen
author_facet Weijie Ma
Hongying Li
Li Dong
Qin Zhou
Bo Fu
Jiang-long Hou
Jing Wang
Wenzhe Qin
Jin Chen
author_sort Weijie Ma
title Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling
title_short Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling
title_full Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling
title_fullStr Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling
title_full_unstemmed Warfarin maintenance dose prediction for Chinese after heart valve replacement by a feedforward neural network with equal stratified sampling
title_sort warfarin maintenance dose prediction for chinese after heart valve replacement by a feedforward neural network with equal stratified sampling
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/5a52681b850b4718b18e30a28324d339
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