Fig. 2From: Effect of nanoparticles on gouty arthritis: a systematic review and meta-analysisForest plot of trials investigating the effect of nanoparticles on uric acid levels (compared with the model group). The size of each square represents the weight of each trial, the diamond represents the size of the merger effect. WMD, weighted mean differences; CI, confidence interval. There are four studies including 11 trials reporting the changes in uric acid levelsBack to article page