Fig. 2
From: Application of unicompartmental knee arthroplasty in the treatment of knee osteoarthritis
Kaplan-Meier survival analysis of different age groups: the 10-year survival rate in the middle-age group was 89.8%, that of the advanced-age group was 99.0%, and that of the older age group was 97.2% (χ2 = 12.37, p = 0.02)