Primary study · included by 1 review

High-intensity versus low-level laser therapy in treatment of patients with subacromial impingement syndrome: a randomized, double-blind, controlled trial.

Saleh et al. 2025 · Saleh Marwa Shafiek, Galal Dina Othman Shokri, Ali Mostafa S, et al. · Lasers in medical science · 2025

Included by

The importance of power in photobiomodulation: a systematic review and meta-analysis of high-intensity laser therapy.
Non-Cochrane · intervention · 2026 · cited as Saleh et al. 2025 · Table 1; Table 2; Table 4 (ref B129)
Outcome this study informsPooled effectEvidenceCertainty
Pain intensity (VAS)
HILT (Class IV, >0.5 W) vs Low-level laser therapy (LLLT, ≤0.5 W) · End of treatment
SMD -1.32 [-1.91, -0.74]9 studies · 470 participantsGRADE not reported
Pain intensity (VAS)
High-intensity laser therapy, with or without co-interventions vs Placebo, low-level laser therapy, or alternative treatment, with or without co-interventions · End of treatment
SMD -1.55 [-2.32, -0.78]14 studies · 654 participantsModerate

1 including review in total.