Table 1.
Mean measurements of the 3 independent observers in assessment of preoperative and postoperative posterior tibial slope measurements. Note, no significant changes in posterior tibial slope occurred with placement of iBalance HTOs using either traditional or modified techniques.
| Modified iBalance Technique | |||
|---|---|---|---|
| Donor | Pre-Op Slope (°) | Post-Op Slope (°) | Slope Change (°) |
| 1306095 R | 4.6 | 3.1 | -1.5 |
| 1306118 R | 9.4 | 11.9 | 2.5 |
| 1306119 R | 8.1 | 3.6 | -4.6 |
| 1306121 R | 8.8 | 8.4 | -0.3 |
| 1306126 R | 6.9 | 7.9 | 1.0 |
| 1306140 R | 8.7 | 9.2 | 0.5 |
| 1306142 R | 9.2 | 11.8 | 2.6 |
| 1306145 R | 7.4 | 5.4 | -1.9 |
| 1306173 R | 9.7 | 8.0 | -1.8 |
| Average | 8.1 | 7.7 | -0.4 |
| St Dev | 1.6 | 3.2 | 2.3 |
| Traditional iBalance Technique | |||
|---|---|---|---|
| Donor | Pre-Op Slope (°) | Post-Op Slope (°) | Slope Change (°) |
| 1306095 L | 6.6 | 9.7 | 3.1 |
| 1306118 L | 9.1 | 7.6 | -1.5 |
| 1306119 L | 6.7 | 5.0 | -1.7 |
| 1306121 L | 7.4 | 8.4 | 1.0 |
| 1306126 L | 8.0 | 8.1 | 0.1 |
| 1306140 L | 10.1 | 10.8 | 0.7 |
| 1306142 L | 6.9 | 9.1 | 2.2 |
| 1306145 L | 7.5 | 3.4 | -4.0 |
| 1306173 L | 8.8 | 6.2 | -2.5 |
| Average | 7.9 | 7.6 | -0.3 |
| St Dev | 1.2 | 2.3 | 2.3 |
| P Value | 0.8 | 0.9 | 0.9 |