Fig. 4

Neonatal unit blood culture use and antibiotic prescription with positive outliers for infection detection. a Scatter plot depicting blood culture use and antibiotic prescription per neonatal unit, as a percentage of total neonatal admissions. Each dot represents a neonatal unit. b Ranked positive outlier neonatal units* based on blood culture use for those newborns prescribed antibiotics during admission. *Positive outlier neonatal units are those with blood culture use, for newborns prescribed antibiotics, above the pooled hospital mean