Methods	Prospective, randomized, controlled trial Turkey
Participants	Inclusion criteria: Infants with gestational age of <33 weeks or birth weight of 1500 g
	Exclusion criteria: Major congenital malformations and lack of parental consent
Interventions	Intervention: "Lactobacillus sporogenes with a dose of 350 000 000 c.f.u. once a day until discharge"
	Control: "The control group was fed with breast milk or formula without the probiotics
Outcomes	NEC, mortality, sepsis
Notes	Data were taken from table 2 of the study. We created the intention to treat analysis