Figure denotes changes in probability of survival to hospital discharge for infants who survive to 7 days of life (DOL) and beyond from a cohort of 64,896 infants in 362 US NICUs. Whisker bars indicate 95% confidence intervals calculated with the Clopper-Pearson method
Data from Hornik CP, Sherwood AL, Cotten CM, Laughon MM, Clark RH, Smith PB. Daily mortality of infants born at less than 30weeks' gestation. Early Hum Dev. 2016;96:27–30.