Table 2.
Implant details
| Detail | Nonobese (number; %) | Morbidly obese (number; %) |
|---|---|---|
| Constraint (number; %) | ||
| Posterior stabilized | 25 (27) | 25 (27) |
| Varus-valgus stabilized | 63 (68) | 60 (65) |
| Hinged | 5 (5) | 8 (9) |
| Femoral support (number; %) | ||
| Augments | 71 (76) | 75 (81) |
| Sleeves | 3 (3) | 3 (3) |
| Cones | 3 (3) | 2 (2) |
| Tibial support (number; %) | ||
| Augments | 16 (17) | 14 (15) |
| Sleeves | 2 (2) | 4 (4) |
| Cones | 4 (4) | 4 (4) |
| Stems (number; %) | ||
| Femoral | 89 (96) | 86 (93) |
| Tibial | 83 (89) | 81 (87) |
| Stem fixation (number; %) | ||
| Cemented | 82 (88) | 80 (86) |
| Press-fit | 11 (12) | 13 (14) |