Table 1 Tapering angle of current metal augmentation and tibia
5 mm | 10 mm | 15 mm | 20 mm | ||
|---|---|---|---|---|---|
NexGen | Medial | 0° | 0° | 19° | 19° |
Lateral | 0° | 0° | 19° | 19° | |
Anterior | 0° | 0° | 0° | 0° | |
Posterior | 0° | 0° | 7° | 7° | |
Vanguard 360 | Medial | 0° | 0° | 7° | NA |
Lateral | 0° | 0° | 7° | NA | |
Anterior | 0° | 0° | 0° | NA | |
Posterior | 0° | 0° | 14° | NA | |
Persona | Medial | 0° | 8° | 15° | NA |
Lateral | 4° | 18° | 25° | NA | |
Anterior | 0° | 0° | 0° | NA | |
Postero-medial | 0° | 0° | 8° | NA | |
Postero-lateral | 0° | 18° | 29° | NA | |
Tibia in this study | Medial | 19.2° (SD, 13.5) | 20.5° (SD, 8.2) | 24.1° (SD, 7.1) | 28.9° (SD, 5.6) |
Lateral | 15.0° (SD, 10.2) | 22.9° (SD, 6.7) | 28.1° (SD, 5.4) | 30.0° (SD, 3.5) | |
Antero-medial | 13.4° (SD, 11.5) | 20.7° (SD, 7.8) | 25.2° (SD, 5.1) | 25.8° (SD, 4.6) | |
Antero-lateral | −13.9° (SD, 9.1) | −15.0° (SD, 6.4) | −17.5° (SD, 6.8) | −17.0° (SD, 7.9) | |
Postero-medial | 22.1° (SD, 18.3) | 24.8° (SD, 9.9) | 32.9° (SD, 9.6) | 37.6° (SD, 6.1) | |
Postero-lateral | 24.2° (SD, 18.8) | 39.6° (SD, 12.6) | 42.7° (SD, 5.6) | 40.9° (SD, 4.1) | |