A new approach to estimating weight change and its reference intervals during the first 96 hours of life
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10216/114894 |
Resumo: | AIM: We aimed to apply a novel model to estimate weight change and its reference intervals during the first 96 h of life and the time of weight nadir. METHODS: This study involved 1288 full-term singletons, from the Generation XXI birth cohort. Recruitment occurred between 2005 and 2006 in all five public units providing obstetrical and neonatal care in Porto, Portugal. Birthweight was abstracted from clinical records, and the subsequent newborn anthropometrics were obtained by trained examiners. Longitudinal models to estimate postnatal weight were tested and the weight ratio was calculated as the weight during 96 h of life divided by birthweight. RESULTS: The chosen model was (weight(t)~ 3241.442 + (-9.378) × t + 0.119 × t(2) + 0.000 × t(3) + b0i + b1i × t, where t represented the newborn infant's age in hours and bi represented the random coefficients. The curve inflection point (nadir) was achieved at 52.3 h of life, corresponding to a loss of 218 g and a weight ratio of 0.933. We estimated that at six, 12, 24 and 36 h of life the mean weight ratio and 10th-90th percentiles were 0.978 (0.968-0.988), 0.968 (0.953-0.983), 0.951 (0.928-0.974) and 0.939 (0.909-0.969), respectively. CONCLUSION: .This model allows a more accurate estimate of newborn weight change and its reference intervals, and estimated the nadir at 52.3 h of life, corresponding to a weight ratio of 0.933. |
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A new approach to estimating weight change and its reference intervals during the first 96 hours of lifeNeonateNewborn - Weight lossAIM: We aimed to apply a novel model to estimate weight change and its reference intervals during the first 96 h of life and the time of weight nadir. METHODS: This study involved 1288 full-term singletons, from the Generation XXI birth cohort. Recruitment occurred between 2005 and 2006 in all five public units providing obstetrical and neonatal care in Porto, Portugal. Birthweight was abstracted from clinical records, and the subsequent newborn anthropometrics were obtained by trained examiners. Longitudinal models to estimate postnatal weight were tested and the weight ratio was calculated as the weight during 96 h of life divided by birthweight. RESULTS: The chosen model was (weight(t)~ 3241.442 + (-9.378) × t + 0.119 × t(2) + 0.000 × t(3) + b0i + b1i × t, where t represented the newborn infant's age in hours and bi represented the random coefficients. The curve inflection point (nadir) was achieved at 52.3 h of life, corresponding to a loss of 218 g and a weight ratio of 0.933. We estimated that at six, 12, 24 and 36 h of life the mean weight ratio and 10th-90th percentiles were 0.978 (0.968-0.988), 0.968 (0.953-0.983), 0.951 (0.928-0.974) and 0.939 (0.909-0.969), respectively. CONCLUSION: .This model allows a more accurate estimate of newborn weight change and its reference intervals, and estimated the nadir at 52.3 h of life, corresponding to a weight ratio of 0.933.20152015-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10216/114894eng0803-5253 10.1111/apa.12894Fonseca, MJSevero, MSantos, ACinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-29T14:58:50Zoai:repositorio-aberto.up.pt:10216/114894Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T00:12:54.710545Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life |
title |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life |
spellingShingle |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life Fonseca, MJ Neonate Newborn - Weight loss |
title_short |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life |
title_full |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life |
title_fullStr |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life |
title_full_unstemmed |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life |
title_sort |
A new approach to estimating weight change and its reference intervals during the first 96 hours of life |
author |
Fonseca, MJ |
author_facet |
Fonseca, MJ Severo, M Santos, AC |
author_role |
author |
author2 |
Severo, M Santos, AC |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Fonseca, MJ Severo, M Santos, AC |
dc.subject.por.fl_str_mv |
Neonate Newborn - Weight loss |
topic |
Neonate Newborn - Weight loss |
description |
AIM: We aimed to apply a novel model to estimate weight change and its reference intervals during the first 96 h of life and the time of weight nadir. METHODS: This study involved 1288 full-term singletons, from the Generation XXI birth cohort. Recruitment occurred between 2005 and 2006 in all five public units providing obstetrical and neonatal care in Porto, Portugal. Birthweight was abstracted from clinical records, and the subsequent newborn anthropometrics were obtained by trained examiners. Longitudinal models to estimate postnatal weight were tested and the weight ratio was calculated as the weight during 96 h of life divided by birthweight. RESULTS: The chosen model was (weight(t)~ 3241.442 + (-9.378) × t + 0.119 × t(2) + 0.000 × t(3) + b0i + b1i × t, where t represented the newborn infant's age in hours and bi represented the random coefficients. The curve inflection point (nadir) was achieved at 52.3 h of life, corresponding to a loss of 218 g and a weight ratio of 0.933. We estimated that at six, 12, 24 and 36 h of life the mean weight ratio and 10th-90th percentiles were 0.978 (0.968-0.988), 0.968 (0.953-0.983), 0.951 (0.928-0.974) and 0.939 (0.909-0.969), respectively. CONCLUSION: .This model allows a more accurate estimate of newborn weight change and its reference intervals, and estimated the nadir at 52.3 h of life, corresponding to a weight ratio of 0.933. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015 2015-01-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10216/114894 |
url |
http://hdl.handle.net/10216/114894 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
0803-5253 10.1111/apa.12894 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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1799136051668713472 |