Fig. 2From: High molecular weight Intraarticular hyaluronic acid for the treatment of knee osteoarthritis: a network meta-analysisNetwork of trials comparing improvement in pain scores in patients with knee osteoarthritis receiving nonoperative treatments. Footnote: The size of the nodes is proportional to the total number of participants. HMW = high molecular weight; LMW = low molecular weight; IA = intraarticular; IAHA = intraarticular hyaluronic acidBack to article page