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Outcome and available covariates assessed for inclusion in the regression model. Positive values for extension represent hyperextension, while negative values indicate flexion contracture
| Variables | Mean ± SD | (range) |
|---|---|---|
| Difference ROM and TTL (°) | −4.6 ± 8.6 | (−27.0 to 11.5) |
| Varus mechanical leg axis (°) | 3.7 ± 7.2 | (−13.0 to 15.0) |
| Intra-operative flexion (°) | 121.9 ± 6.7 | (108.0 to 134.0) |
| Intra-operative extension (°) | −0.1 ± 3.0 | (−5.5 to 7.0) |
| Posterior slope (°) | 1.5 ± 1.0 | (0.0 to 3.5) |
