Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Healing
[73] RCT	87 people	Proportion of ulcers healed at 120 days 40/44 (91%) with prostaglandin E1 (PGE1; 60 mg/day infused over 2 hours) 32/43 (74%) with placebo	P <0.05	Effect size not calculated	PGE1