Analysis 2.16.

Comparison 2 Subgroup analysis: formula versus donated breast milk (DBM) given as (i) sole diet or (ii) a supplement to maternal expressed breast milk, Outcome 16 All‐cause mortality.

Comparison 2 Subgroup analysis: formula versus donated breast milk (DBM) given as (i) sole diet or (ii) a supplement to maternal expressed breast milk, Outcome 16 All‐cause mortality.