Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Healing rates
Systematic review	20 people Data from 1 RCT	Number of sores healed 12 weeks 6/6 (100%) with ultrasound plus UV 5/6 (83%) with standard care	RR 1.18 95% CI 0.76 to 1.83 The RCT was underpowered to detect clinically important differences between groups		Not significant
Systematic review	20 people Data from 1 RCT	Number of sores healed 12 weeks 6/6 (100%) with ultrasound plus UV 4/6 (67%) with laser treatment	RR 1.44 95% CI 0.80 to 2.60 The RCT was underpowered to detect clinically important differences between groups		Not significant