Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Type of surgery and survival rate in both treatment groups. (A) It showed the operation types of the two groups. The number in the columns indicated the proportion of operation types in each group. (B) Survival curve of the duration of the beneficial effect provided by the injective treatments. HA, hyaluronic acid; PRP, platelet-rich plasma; AKS, arthroscopic knee surgery; TKA, total knee arthroplasty; NS, not significant.
