The association between 5-min Apgar score and mortality disappears after 24 h at the borderline of viability.

ABSTRACT:

Aim

To quantify the relationship between 5-min Apgar scores and infant mortality for infants at the borderline of viability.

Methods

Cohort study of 7008 infants 23-25 weeks' gestation using 2002 US National Center for Health Statistics data. Using Cox proportional-hazards models, we quantified the relationship between Apgar score and infant mortality for all infants, and then infants surviving their first 24 h. Models were adjusted for gestational age, birth weight, gender, delivery method, plurality, maternal race, marital status and education.

Results

Within one year, 46% of infants died. Of the non-survivors, deaths within 24 h were more common among infants with Apgar scores 0-3 (83%) than among infants with Apgar scores 7-10 (13%). When including all infants and

SUBMITTER: Lagatta J 

PROVIDER: S-EPMC4547603 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature