Study designs of evaluations included in the review
The authors did not state the study design a priori. The included studies were randomised controlled clinical trials (RCTs), controlled clinical trials, non-controlled clinical trials and prospective comparative studies. Single case reports and animal studies were excluded.
Specific interventions included in the review
LLLT including: helium neon (HeNe) 632.8 nm, gallium arsenide (GaAs) 904 nm, gallium alluminium arsenide (GaAlAs) 820 and 830 nm. LLLT is also known as low-intensity and low-power therapy.
Participants included in the review
Patients undergoing treatment for leg ulcers were included.
Outcomes assessed in the review
Wound healing was assessed.
How were decisions on the relevance of primary studies made?
The authors do not state how the papers were selected for the review, or how many of the reviewers performed the selection.