Outcome of preterm infants (<30 weeks) born to mothers who smoked: propensity score matching study.

ABSTRACT:

Background

Maternal smoking has been associated with adverse neonatal outcomes; specifically, outcomes of preterm-born after maternal smoking have not been studied.

Objective

To compare the short-term hospital outcomes of preterm infants born to mothers who 'ever smoked' with matched preterm infants born to mothers who 'never smoked'.

Methods

This was a matched retrospective cohort study including all preterm infants <30 weeks between March 2019 and March 2023. Matching was performed, creating propensity scores with 'Mother ever smoked versus Mother never smoked' as dependent outcomes with birth gestational age, baby gender and Apgar score at 1 min as covariates. The standardised mean difference (SMD) was used to assess any potential imbalance. Appropriate statistical

SUBMITTER: Kannan Loganathan P 

PROVIDER: S-EPMC12927284 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature