Interstate Practice Variation and Factors Associated With Antibiotic Use for Suspected Neonatal Sepsis in the United States.

Our findings suggest that there has been a gradual decline in AU for SNS in more than a third of states in last five years. While risk-based management approaches achieve widespread implementation, state and nationwide quality improvement collaborates might have contributed to the relative decline in antibiotic use in newborns.Further studies are warranted to understand factors related to practice variation in the management of SNS in the United States.