Figure 4

Comparative analysis of serial change of pain VAS, K-WOMAC, EQ-5D between IA PN and IA HMWHA during study period. Change of weight-bearing, at rest, and walking VAS, K-WOMAC, and EQ-5D scores were significantly increased from the baseline, and gradually increased until 16 weeks in both IA PN and HMWHA groups. However, there were no significant difference between two groups at all timepoints.