Results 11 to 20 of about 1,760,038 (218)

CIDACS-RL: a novel indexing search and scoring-based record linkage system for huge datasets with high accuracy and scalability

open access: yesBMC Medical Informatics and Decision Making, 2020
Background Record linkage is the process of identifying and combining records about the same individual from two or more different datasets. While there are many open source and commercial data linkage tools, the volume and complexity of currently ...
George C. G. Barbosa   +12 more
doaj   +1 more source

Cesarean sections and early-term births according to Robson classification: a population-based study with more than 17 million births in Brazil

open access: yesBMC Pregnancy and Childbirth, 2023
Background Cesarean section (CS) rates are increasing worldwide and are associated with negative maternal and child health outcomes when performed without medical indication. However, there is still limited knowledge about the association between high CS
Aline S. Rocha   +12 more
doaj   +1 more source

Differences in risk factors for incident and recurrent preterm birth: a population-based linkage of 3.5 million births from the CIDACS birth cohort

open access: yesBMC Medicine, 2022
Background Preterm birth (PTB) is a syndrome resulting from a complex list of underlying causes and factors, and whether these risk factors differ in the context of prior PTB history is less understood.
Aline S. Rocha   +11 more
doaj   +1 more source

Harvesting metadata in clinical care: a crosswalk between FHIR, OMOP, CDISC and openEHR metadata

open access: yesScientific Data, 2022
Metadata describe information about data source, type of creation, structure, status and semantics and are prerequisite for preservation and reuse of medical data.
Caroline Bönisch   +2 more
doaj   +1 more source

Vaccine coverage and effectiveness against laboratory-confirmed symptomatic and severe Covid-19 in indigenous people in Brazil: a cohort study

open access: yesBMC Public Health, 2023
Background Indigenous people have historically suffered devastating impacts from epidemics and continue to have lower access to healthcare and be especially vulnerable to respiratory infections.
Julia M. Pescarini   +12 more
doaj   +1 more source

Biases arising from using linked administrative data for research: A conceptual framework from registration to analysis.

open access: yesInternational Journal of Population Data Science, 2022
Objectives Administrative data are primarily collected for operational processes and these processes can lead to sources of bias that may not be adequately considered by researchers.
Richard Shaw   +9 more
doaj   +1 more source

Classification algorithm for congenital Zika Syndrome: characterizations, diagnosis and validation

open access: yesScientific Reports, 2021
Zika virus was responsible for the microcephaly epidemic in Brazil which began in October 2015 and brought great challenges to the scientific community and health professionals in terms of diagnosis and classification.
Rafael V. Veiga   +12 more
doaj   +1 more source

Characteristics of mental health service use of Brazilian children using routine health records

open access: yesInternational Journal of Population Data Science, 2022
Background To investigate the clinical epidemiological characteristics of a large data set of visits to outpatient children mental health services in Brazil, as well as to identify relevant relationships between age, sex and three common mental ...
Jacyra Araujo   +4 more
doaj   +1 more source

Integrated genome sizing (IGS) approach for the parallelization of whole genome analysis

open access: yesBMC Bioinformatics, 2018
Background The use of whole genome sequence has increased recently with rapid progression of next-generation sequencing (NGS) technologies. However, storing raw sequence reads to perform large-scale genome analysis pose hardware challenges.
Peter Sona   +13 more
doaj   +1 more source

Urban income segregation and homicides: An analysis using Brazilian cities selected by the Salurbal project

open access: yesSSM: Population Health, 2021
This paper investigates the associations of income segregation with homicide mortality across 152 cities in Brazil. Despite GDP increases, an important proportion of the Brazilian population experiences poverty and extreme poverty.
Maria Izabel dos Santos   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy