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Table 3 General information of recruited studies

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

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), %