Table 2.
Tibial component design families used in this study
| Design | A | B | C | D | E | F |
|---|---|---|---|---|---|---|
| Type | Anatomic | Asymmetric | Symmetric | Symmetric | Symmetric | Symmetric |
| # sizes | 9 | 7 | 7 | 8 | 7 | 10 |
| ML size rangea (mm) | 57.7–88.1 | 59.0–89.5 | 59.0–83.4 | 61.4–85.5 | 60.8–89.1 | 58.4–89.0 |
| ML incrementsa (mm) | 3.0–5.1 | 5.0–5.5 | 3.7–4.3 | 3.0–5.0 | 2.8–6.8 | 0–8.0 |
| AP incrementsa (mm) | 1.8–3.3b | 0.5–4.6b | 1.8–2.8 | 1.7–3.7 | 1.5–4.0 | −1.5 to 4.0c |
| Genetic profile |
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aMeasured using the methods defined in the study, as demonstrated in Fig. 3a
bIncreases asymmetrically between medial or lateral compartment
cNegative increment (−1.5 mm) exists only between size 8 and 9