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Maternal and Neonatal Morbidity and Mortality Among Pregnant Women With and Without COVID-19 Infection: The INTERCOVID Multinational Cohort Study

2022· article· en· W4225792512 on OpenAlexfundno aff
José Villar, Shabina Ariff, Robert B. Gunier, Ramachandran Thiruvengadam, Stephen Rauch, Kholin A.M. Kholin, Paola Roggero, Federico Prefumo, Marynéa Silva do Vale, Jorge Arturo Cardona–Pérez, Nerea Maíz, Irene Cetin, Valeria Savasi, Philippe Deruelle, Sarah Rae Easter, Joanna Sichitiu, Constanza P. Soto Conti, Ernawati Ernawati, Mohak Mhatre, Jagjit S. Teji, Becky Liu, Carola Capelli, M. Oberto, Laura Salazar, Michael G. Gravett, Paolo Ivo Cavoretto, Vincent Bizor Nachinab, Hadiza Galadanci, D. Orós, Adejumoke Idowu Ayede, Loı̈c Sentilhes, Babagana Bako, Mónica Savorani, Hellas Cena, Perla K. García-May, Saturday Etuk, Roberto Casale, Sherief Abd‐Elsalam, Satoru Ikenoue, Muhammad Baffah Aminu, Carmen Vecciarelli, Eduardo Alfredo Duro, Mustapha Ado Usman, Yetunde O. John-Akinola, Ricardo Nieto, Enrico Ferrazi, Zulfiqar A Bhutta, Ana Langer, Stephen Kennedy, Aris T. Papageorghiou

Bibliographic record

VenueObstetrical & Gynecological Survey · 2022
Typearticle
Languageen
FieldMedicine
TopicCOVID-19 Impact on Reproduction
Canadian institutionsnot available
FundersFeinberg School of MedicineGombe State UniversityUniversidad de Buenos AiresTanta UniversityInstituto de Seguriidad y Servicios Sociales de los Trabadores del EstadoUniversidade Federal de Minas GeraisNorthwestern UniversitySt George's University Hospitals NHS Foundation TrustHôpitaux Universitaires de GenèveUniversity of WashingtonUniversity College London Hospitals NHS Foundation TrustUniversità degli Studi di PaviaUniversitas AirlanggaKeio UniversityGreen Templeton College, University of OxfordJikei University School of MedicineTufts Medical CenterUniversity of OxfordHospital for Sick ChildrenHarvard T.H. Chan School of Public HealthUniversité de ParisUniversità degli Studi di TorinoBrigham and Women's HospitalUniversity College London
KeywordsMedicineCoronavirus disease 2019 (COVID-19)PandemicPregnancyObstetricsCohort studyCohort2019-20 coronavirus outbreakSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)PediatricsVirologyInternal medicineDiseaseInfectious disease (medical specialty)Outbreak

Abstract

fetched live from OpenAlex

(Abstracted from JAMA Pediatr 2021;175:817–826) At the beginning of the COVID-19 pandemic, the extent of the risks of a COVID infection during pregnancy were unknown. During the start of the pandemic, there were only a few studies published comparing outcomes between pregnant women with and without COVID-19 infections.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.023
Threshold uncertainty score0.046

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0000.001
Meta-epidemiology (broad)0.0000.001
Bibliometrics0.0010.002
Science and technology studies0.0010.000
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.057
GPT teacher head0.343
Teacher spread0.286 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations198
Published2022
Admission routes1
Has abstractyes

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