An obstetric sphincter injury risk identification system (OSIRIS): is this a clinically useful tool?

ABSTRACT:

Introduction and hypothesis

To establish the contribution of maternal, fetal and intrapartum factors to the risk of incidence of obstetric anal sphincter injuries (OASIS) and assess the feasibility of an OASIS risk prediction model based on variables available to clinicians prior to birth.

Methods

This was a population-based, retrospective cohort study using single-site data from the birth database of Aarhus University Hospital, Denmark. The participants were all women who had a singleton vaginal birth during the period 1989 to 2006. Univariate and multivariate logistic regression analyses were performed using multiple imputations for missing data and internally validated using bootstrap methods. The main outcome measures were the contributions of maternal, fetal and intrapa

SUBMITTER: Webb SS 

PROVIDER: S-EPMC5331086 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature