Table 4.
Unadjusted Kaplan-Meier estimates for revision-free implant survival at 5, 10, 15, and 18 years post-surgery, including numbers lost to follow-up and death
| Years post-surgery | No still at risk | No of revisions | Reason for censoring | Implant survival: % (95% CI) | |
|---|---|---|---|---|---|
| Death | Study end | ||||
| 0 | 58 054 | ||||
| 3 | 36 783 | 2646 | 3757 | 14 868 | 94.7 (94.5 to 94.9) |
| 5 | 25 858 | 631 | 2674 | 7620 | 92.8 (92.6 to 93.0) |
| 10 | 8151 | 523 | 5032 | 12 152 | 90.0 (89.6 to 90.3) |
| 15 | 1664 | 87 | 1891 | 4509 | 88.1 (87.6 to 88.7) |
| 18 | 266 | 4 | 278 | 1116 | 87.8 (87.2 to 88.4) |