Evidence map›Paper›PMID 34642686›Full record

ArticleLancet regional health. Americas2021

Socioeconomic inequalities in low birth weight risk before and during the COVID-19 pandemic in Argentina: A cross-sectional study.

Eduardo Cuestas, Martha E Gómez-Flores, María D Charras, Alberto J Peyrano, Clara Montenegro, Ignacio Sosa-Boye, Verónica Burgos, Graciela Giusti, Mario Espósito, Silvyana S Blanco-Pool and 11 more

Open access · goldAbstract read
In one paragraph

Article in Lancet regional health. Americas, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
3.2field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 13 citations in OpenAlex.

  1. Pooled it
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  5. Trends of Multiple Births in Iran from 2014 to 2023.Journal of reproduction & infertility · 2025
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  6. Association ofViruses · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

21 authors at 3 institutions in 1 country.

Eduardo CuestasHospital Privado Universitario de Córdoba, Córdoba, Argentina.
Martha E Gómez-FloresHospital Materno Neonatal Dr. Ramón Carrillo, Córdoba, Argentina.
María D CharrasHospital Materno Neonatal Dr. Ramón Carrillo, Córdoba, Argentina.
Alberto J PeyranoHospital Materno Provincial Dr. Raúl Felipe Lucini, Córdoba, Argentina.
Clara MontenegroHospital Materno Provincial Dr. Raúl Felipe Lucini, Córdoba, Argentina.
Ignacio Sosa-BoyeClínica Universitaria Reina Fabiola, Córdoba, Argentina.
Verónica BurgosClínica Universitaria Reina Fabiola, Córdoba, Argentina.
Graciela GiustiClínica y Maternidad del Sol, Córdoba, Argentina.
Mario EspósitoClínica y Maternidad del Sol, Córdoba, Argentina.
Silvyana S Blanco-PoolSanatorio Allende, Córdoba, Argentina.
Debora P GurevichSanatorio Allende, Córdoba, Argentina.
Luis A AhumadaSanatorio Allende, Córdoba, Argentina.
Ricardo D PontorieroHospital Misericordia Nuevo Siglo, Córdoba, Argentina.
Alina RizzottiHospital Privado Universitario de Córdoba, Córdoba, Argentina.
José I BasHospital Privado Universitario de Córdoba, Córdoba, Argentina.
María B VacaHospital Universitario de Maternidad y Neonatología, Córdoba, Argentina.
María J MirandaHospital Universitario de Maternidad y Neonatología, Córdoba, Argentina.
Mirta E FerreyraHospital Misericordia Nuevo Siglo, Córdoba, Argentina.
Gabriela C MorenoHospital Materno Neonatal Dr. Ramón Carrillo, Córdoba, Argentina.
Héctor PedicinoHospital Italiano, Córdoba, Argentina.
Melvy Rojas-RiosHospital Italiano, Córdoba, Argentina.
Servicio Diabetología Hospital Córdoba · ARHospital Privado · ARUniversidad del Salvador · AR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe coronavirus disease 2019 (COVID-19) pandemic may have exacerbated existing socioeconomic inequalities in health. In Argentina, public hospitals serve the poorest uninsured segment of the population, while private hospitals serve patients with health insurance. This study aimed to assess whether socioeconomic inequalities in low birth weight (LBW) risk changed during the first wave of the COVID-19 pandemic.

methodsThis multicenter cross-sectional study included 15929 infants. A difference-in-difference (DID) analysis of socioeconomic inequalities between public and private hospitals in LBW risk in a pandemic cohort (March 20 to July 19, 2020) was compared with a prepandemic cohort (March 20 to July 19, 2019) by using medical records obtained from ten hospitals. Infants were categorized by weight as LBW < 2500 g, very low birth weight (VLBW) < 1500 g and extremely low birth weight (ELBW) < 1000 g. Log binomial regression was performed to estimate risk differences with an interaction term representing the DID estimator. Covariate-adjusted models included potential perinatal confounders.

findingsOf the 8437 infants in the prepandemic cohort, 4887 (57•9%) were born in public hospitals. The pandemic cohort comprised 7492 infants, 4402 (58•7%) of whom were born in public hospitals. The DID estimators indicated no differences between public versus private hospitals for LBW risk (-1•8% [95% CI -3•6, 0•0]) and for ELBW risk (-0•1% [95% CI -0•6, 0•3]). Significant differences were found between public versus private hospitals in the DID estimators (-1•2% [95% CI, -2•1, -0•3]) for VLBW risk. The results were comparable in covariate-adjusted models.

interpretationIn this study, we found evidence of decreased disparities between public and private hospitals in VLBW risk. Our findings suggest that measures that prioritize social spending to protect the most vulnerable pregnant women during the pandemic contributed to better birth outcomes.

fundingNo funding was secured for this study.

Indexed as

coronavirus disease 2019, pandemiclow birth weightsocioeconomic inequalities in health

Identifiers

PMID34642686
PMCPMC8495179
OpenAlexW3194638427

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.