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

Table 3 General information of recruited studies

Reference	Sample	Design	Age	BMI	Gender	Diabetes duration/DPN duration	FBG	2hPBG	HbA1c
Authors, year	Number of participants	RCT, open label or blinded	Mean (SD), years	mean (SD), kg/m²	Male/female	Mean (SD), years	Mean (SD), mmol/L	Mean (SD), mmol/L	Mean (SD), %

ISSN: 2046-4053