Fig. 3From: Comparing the efficacy of dual Platelet-Rich Plasma (PRP) and Hyaluronic Acid (HA) therapy with PRP-alone therapy in the treatment of knee osteoarthritis: a systematic review and meta-analysisDetailing the quality assessment of the 3 cohort studies using the ROBINS-I tool. Green: Low risk, Yellow: Moderate risk, Orange: Serious risk, Red: Critical riskBack to article page