Kaplan-Meier analysis of survival of cemented and uncemented THA. Revision-free survival was significantly lower for uncemented THA than for cemented THA with revision of any component for any reason as endpoint. Bold lines: survival: thin lines: upper and lower limits of 95% confidence intervals. 10-year-survival: 85% (CI: 84–87) for uncemented THA vs. 94% (CI: 93.8–94.2) for cemented THA (p < 0.05, log-rank test). 15-year-survival: 70% (CI: 67–73; 245 THAs at risk) for uncemented THA vs. 88% (CI: 88–89; 3,147 THAs at risk) for cemented THA (p < 0.05, log-rank test).