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Table 4 Characteristics of the intervention and outcomes

From: Effectiveness and safety of low-level laser therapy in diabetic peripheral neuropathy: a protocol for a systematic review and meta-analysis

Reference Intervention Comparators LLLT parameters Therapeutic schedules Treatment duration/follow-up periods Outcomes Adverse events
Wavelength Energy density/energy per point Laser average Pulse
Authors, year LLLT alone or with active conventional medical treatment Sham LLLT or no treatment or active conventional medical treatment nm J/cm2, J/point per session mW Treatment time/no. of total sessions/no. of sessions per week Week Measures of trial outcomes Adverse events about LLLT