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Intraoperative flexion-extension gaps for the ROBODOC®-assisted and conventional TKA groups
| Gap | ROBODOC® | Conventional |
|---|---|---|
| Extension gap (mm)* | 21.4 ± 1.7 | 21.8 ± 1.5 |
| Flexion gap (mm)* | 23.5 ± 1.8 | 22.9 ± 2.0 |
| Number of cases where flexion gap − extension gap was ≥ 2 ± 2 mm | 3 | 10 |
| Mean medial-lateral gap difference (mm) | 0.8 | 1.0 |
| Number of satisfactory cases (< 2 mm) | 46 | 48 |
| Number of suboptimal cases (> 2 mm) | 4 | 2 |
* Values are expressed as mean ± SD.
