Long-Term (1-Year) Safety and Efficacy of a Single 6-mL Injection of Hylan G-F 20 in Indian Patients with Symptomatic Knee Osteoarthritis

Fig. (4) The proportion of patients within each rating for PTGA (A) and COGA (B) scores with hylan G-F 20 over 52 weeks. *p<0.0001, mean change from baseline