From: Total knee arthroplasty in patients with severe obesity: outcomes of standard keeled tibial components versus stemmed universal base plates
Interval
Number
Failures
Withdrawn
At risk
Failure rate (%)
Cumulative survival
95% CI
0
111
2
0.98
1
109
18
101
0.97
3
91
24
79
4
67
17
58
5
50
25