Apgar score of 0 at 10 min and survival to 1 year of age: a retrospective cohort study in Washington state

To determine 1-year survival in a cohort of newborns with an Apgar score of 0 at 5 and 10 min of age. A retrospective cohort study of the Washington State Comprehensive Hospital Abstract Reporting System from 2005 to 2014. Of 879,340 births, 199 (0.02%) had an Apgar score of 0 at 5 min, and 109 (0.01%) also had a score of 0 at 10 min. One-year survival was 46% for newborns with Apgar score of 0 at 5 and 10 min. One-year survival by gestational age was 4% for newborns <30 weeks, 38% for 30–35 weeks, and 67% for ≥36 weeks. Survival at 1 year of age for newborns with an Apgar score of 0 at 5 and 10 min has improved, as compared with historic cohorts. Cautious optimism is warranted since morbidity-free survival could not be assessed.