Table 1.
Demographic information of liner hosts (revision and postmortem).
| Implant source (N) | Gender (N) | Side (N) | In situ time (mo.) | Cause of failure (N) |
|---|---|---|---|---|
| Revisions (54) | Females (22) Males (26) Unknown (6) |
Left (24) Right (23) Unknown (7) |
Range (1–108) Mean (26) Unknown (16) |
Infection (10) Maltracking (9) Loose (9) Instability (5) Synovitis (2) Fracture (1) Osteolysis (1) Failed liner (1) PE wear∗∗ (1) Unknown (15) |
|
| ||||
| Postmortem (21) | Females (13) Males (8) |
Left (11) Right (10) |
Range (19–144) Mean (79) |
Autopsy (21) |
|
| ||||
| Simulator (6) | Not applicable | Left (6) | 60 months∗ | Not applicable |
|
| ||||
| Heavily delaminated (10) | Females (5) Males (4) Unknown (1) |
Left (7) Right (3) |
Range (24–130) Mean (73) Unknown (3) |
Instability (2) Polyethylene wear (2) Tibial subsidence (2) Painful tibial component (1) Unknown (3) |
∗1 million cycles representing 12 months of level walking.
∗∗PE = polyethylene.