Late parenteral nutrition may leads to lower in‐hospital all‐cause mortality compared with early parenteral nutrition (low certainty).
Late parenteral nutrition may leads to lower neonatal mortality (within 28 days of birth) compared with early parenteral nutrition (low certainty).
Late parenteral nutrition showed no clear difference in healthcare‐associated blood stream infection compared with early parenteral nutrition (low certainty).
Late parenteral nutrition may leads to lower healthcare‐associated infection (any type) compared with early parenteral nutrition (low certainty).
Late parenteral nutrition showed no clear difference in mean duration of hospital stay compared with early parenteral nutrition (low certainty).
Late parenteral nutrition showed no clear difference in mean duration of mechanical ventilation compared with early parenteral nutrition (low certainty).
Late parenteral nutrition showed no clear difference in hypoglycaemia compared with early parenteral nutrition (low certainty).
MFS‐LE showed no clear difference in parenteral nutrition‐associated liver disease/cholestasis compared with S‐LE (low certainty).
It is very uncertain whether MS‐LE changes parenteral nutrition‐associated liver disease/cholestasis compared with S‐LE (very low certainty).
All fish oil containing LE showed no clear difference in parenteral nutrition‐associated liver disease/cholestasis compared with S‐LE (low certainty).
All alternative LE showed no clear difference in parenteral nutrition‐associated liver disease/cholestasis compared with S‐LE (low certainty).
MOFS‐LE showed no clear difference in parenteral nutrition‐associated liver disease/cholestasis compared with S‐LE (low certainty).
The review found no eligible studies for this question.
It is very uncertain whether early full enteral feeding changes necrotising enterocolitis compared with delayed or progressive feeding (very low certainty).
Enteral zinc supplementation may leads to lower all‐cause mortality (between start of intervention and end of compared with no zinc supplementation (low certainty).
Enteral zinc supplementation showed no clear difference in bronchopulmonary dysplasia compared with no zinc supplementation (low certainty).
Enteral zinc supplementation showed no clear difference in retinopathy of prematurity compared with no zinc supplementation (low certainty).