Review Article

Efficacy and Safety of the Injection of the Traditional Chinese Medicine Puerarin for the Treatment of Diabetic Peripheral Neuropathy: A Systematic Review and Meta-Analysis of 53 Randomized Controlled Trials

Table 2

Subgroup analysis.

SubgroupsTrialsEffects modelsPooled effect95% Cl value

The total effective rate
Pue + Mec versus Mec11FixedRR 1.311.22–1.410.00001
Pue + Vit B1, B12 versus Vit B1, B123FixedRR 1.611.24–2.100.0004
Pue + Epa versus Epa2FixedRR 1.381.12–1.690.002
Pue versus Danshen5FixedRR 1.441.24–1.680.00001
SNCV of median nerve
Pue + Mec versus Mec7RandomMD 3.642.78–4.50.0001
Pue + Vit B1, B12 versus Vit B1, B122RandomMD 5.434.16–6.70.00001
Pue + Epa versus Epa3RandomMD 3.431.28–5.580.002
SNCV of peroneal nerve
Pue + Mec versus Mec8RandomMD 4.262.98–5.550.00001
Pue + Vit B1, B12 versus Vit B1, B123RandomMD 3.962.94–4.970.00001
Pue + Epa versus Epa3RandomMD 2.570.08–5.060.04
Pue versus Danshen2RandomMD 3.101.91–4.290.00001
MNCV of median nerve
Pue + Mec versus Mec7RandomMD 5.183.51–6.850.00001
Pue + Vit B1, B12 versus Vit B1, B123RandomMD 5.142.31–7.970.0004
Pue + Epa versus Epa3RandomMD 2.32−0.7–5.340.13
MNCV of peroneal nerve
Pue + Mec versus Mec10RandomMD 4.543.23–5.850.00001
Pue + Vit B1, B12 versus Vit B1, B123RandomMD 5.014.06–5.950.00001
Pue + Epa versus Epa3RandomMD 2.80−0.40–6.000.09
Pue versus Danshen2RandomMD 9.35−2.13–20.820.11

Note. Pue: puerarin; Epa: epalrestat; Mec: mecobalamin; Vit B1, B12: vitamins B1 and B12; Danshen: danshen injection; MD: weighted mean difference; RR: relative risk.