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Table 3 Survivorship estimates and numbers at risk for the All Other Cemented TKAs group

From: Long-term survivorship of a medial-pivot total knee system compared with other cemented designs in an arthroplasty registry

Year Survivorship (%) Lower 95 % CI Upper 95 % CI N Revisions N Deaths N At Risk
0 100.0 100.0 100.0 122 163 20,446
1 99.4 99.3 99.5 119 181 19,342
2 98.7 98.5 98.8 102 234 17,070
3 98.0 97.8 98.2 47 253 14,890
4 97.6 97.4 97.9 32 249 12,799
5 97.4 97.1 97.6 15 246 10,787
6 97.2 96.9 97.5 23 232 8801
7 96.9 96.6 97.2 23 219 6931
8 96.4 96.1 96.8 20 190 5317
9 96.0 95.6 96.4 6 138 3950
10 95.7 95.3 96.2 4 112 2776
11 95.5 95.1 96.0 4 63 1835
12 95.2 94.6 95.8 0 36 1060
13 95.2 94.6 95.8 0 4 436