Table 2.
Comparison of incidence of mortality and revision at 20 years followup
| Patient cohort | Number of knees | Incidence of revision | Incidence of mortality |
|---|---|---|---|
| PFC knee | |||
| All patients | 101 | 6% (6 knees) | 75% (76 knees) |
| Younger than 65 years | 26 | 15% (4 knees) | 46% (12 knees) |
| Older than 65 years | 75 | 3% (2 knees) | 85% (64 knees) |
| LCS knee | |||
| All patients | 118 | 0% (0 knees) | 74% (87 knees) |
| Younger than 65 years | 33 | 0% (0 knees) | 48% (16 knees) |
| Older than 65 years | 85 | 0% (0 knees) | 84% (71 knees) |
| All implant types | |||
| All patients | 219 | 3% (6 knees) | 74% (163 knees) |
| Younger than 65 years | 59 | 7% (4 knees) | 47% (28 knees) |
| Older than 65 years | 160 | 1% (2 knees) | 84% (135 knees) |
PFC = Press-Fit Condylar knee; LCS = Low Contact Stress.