What do systematic reviews say?

All‐cause mortality · healthy, full‐term (37 to 42 weeks), formula‐fed infants

All‐cause mortality · healthy, full‐term (37 to 42 weeks), formula‐fed infants

Mortality before hospital discharge · exclusively formula‐fed preterm or low birth weight infants

All‐cause mortality during hospital stay · postoperative pain in preterm and term infants

All‐cause mortality during initial hospitalization ‐ not reported · postoperative pain in neonates

All‐cause mortality during initial hospitalization ‐ not reported · postoperative pain in neonates

Mortality before hospital discharge · neonates that require central line

All‐cause mortality during hospital stay · preterm or low birth weight infants with PDA

All‐cause mortality during hospital stay · preterm or low birth weight infants with PDA

All‐cause mortality during hospital stay · preterm or low birth weight infants with PDA

Late neonatal mortality · Neonates and caregivers

Early neonatal mortality · Neonates and caregivers

All‐cause in‐hospital mortality by 36 weeks' postmenstrual ageUnit: number of infants with event · preterm infants with respiratory dysfunction

All‐cause in‐hospital mortality by 36 weeks' postmenstrual ageUnit: number of infants with event · preterm infants with respiratory dysfunction

All‐cause in‐hospital mortality by 36 weeks' postmenstrual ageUnit: number of infants with event · preterm infants with respiratory dysfunction