What do systematic reviews say?

All‐cause mortality (or overall survival) ‐ not reported · adults with biliary sphincter of Oddi dysfunction

All‐cause mortality within 30 days of surgery – not reported · people with a low platelet count

All‐cause mortality within 30 days of surgery – not reported · people with a low platelet count

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

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

All‐cause mortality ‐ short term (end of treatment) ‐ not reported · health problem or population

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

All‐cause mortality during hospital stay and all‐cause mortality at 1 year · people with endocarditis due to Staphylococcus aureus in drug abusers

All‐cause mortality during hospital stay and all‐cause mortality at 1 year · people with infective endocarditis due to penicillin‐susceptible Streptococci

All‐cause mortality during hospital stay and all‐cause mortality at 1 year · people with endocarditis caused by Staphylococcus aureus

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