Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Jan 5;8:605879. doi: 10.3389/fped.2020.605879

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2021 Liu, Zhu, Li and Shi.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

PMC Copyright notice

Results of maternal factors in primary analysis. (A) Forest plot of association between PDA and chorioamnionitis; (B) funnel plot for publication bias of the association between PDA and chorioamnionitis; (C) forest plot of association between PDA and premature rupture of membranes; (D) forest plot of association between PDA and preeclampsia; (E) forest plot of association between PDA and antenatal steroids (according to unadjusted data); (F) funnel plot for publication bias of the association between PDA and antenatal steroids (according to unadjusted data); (G) forest plot of association between PDA and antenatal steroids (according to adjusted data). PDA, patent ductus arteriosus.