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Research Article

Comparing the accuracy of high tibial osteotomies between computer navigation and conventional methods

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Figures & data

Figure 1. Weight-bearing alignment as described by Noyes et al. [Citation10–12,Citation25]. The medial edge is designated as 0% and the lateral edge as 100%. A line is drawn from the center of the femoral head to the center of the tibiotalar joint and is measured at the point where the line intersects the tibial plateau.

Figure 1. Weight-bearing alignment as described by Noyes et al. [Citation10–12,Citation25]. The medial edge is designated as 0% and the lateral edge as 100%. A line is drawn from the center of the femoral head to the center of the tibiotalar joint and is measured at the point where the line intersects the tibial plateau.

Table 1. Demographic characteristics of patients treated with medial open wedge HTOTable Footnotea.

Figure 2. Pre- and post-operative weight-bearing line for the navigated group. Circles are pre-operative values and squares post-operative values. The bar represents the target for correction (50–75%).

Figure 2. Pre- and post-operative weight-bearing line for the navigated group. Circles are pre-operative values and squares post-operative values. The bar represents the target for correction (50–75%).

Figure 3. Pre- and post-operative weight-bearing line for the conventional group. Circles are pre-operative values and squares are post-operative values. The bar represents the target for correction (50–75%).

Figure 3. Pre- and post-operative weight-bearing line for the conventional group. Circles are pre-operative values and squares are post-operative values. The bar represents the target for correction (50–75%).

Table 2. Post-operative radiographic and clinical results.

Figure 4. Duration of operation in the navigated group plotted over time. Each circle represents a single operation.

Figure 4. Duration of operation in the navigated group plotted over time. Each circle represents a single operation.