Table 3.
Cumulative results of anterior knee pain, crepitation, patellar clunk, and postoperative complications from all follow-up time points
| Outcome measurement | PFC Sigma (n = 59) |
ATTUNE (n = 54) |
p-value |
|---|---|---|---|
| Anterior knee pain, n (%) | 1 (1.7%) | 0 (0.0%) | 1.000 |
| Asymptomatic crepitation, n (%) | 2 (3.4%) | 4 (7.4%) | 0.423 |
| Patellar clunk, n (%) | 0 (0.0%) | 0 (0.0%) | N/A |
| Complication, n (%) | 3 (5.1%) | 4 (7.4%) | 0.708 |
| - Stiff knee | 2 (3.4%) | 4 (7.4%) | |
| - Wound dehiscence | 1 (1.7%) | 0 (0.0%) |
Fisher’s exact test was used to compare differences between the two prosthesis designs
A p-value< 0.05 indicates statistical significance
Abbreviation: PFC, Press Fit Condylar; N/A, not applicable