Page 72 - Advanced concepts in orbital wall fractures
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                                Chapter 4
coefficient (ICC). The paired t test was used to compare the absolute and relative mean and standard deviation and p<0.05 was considered statistically significant. Plots were created to visualise the spread of the implant positions.
Figure 1 Mean deviation between postoperative implant position and ideal implant position (translucent grey). Above the postoperative position without preoperative planning (orange). Below the postoperative position with preoperative planning (red) and without preoperative planning (translucent orange).
Results
Intrasurgeon and intersurgeon repeatability
As shown in Table 1, the intrasurgeon repeatability in the preoperative planning group was high for translation (ICC 0.80; 95 % CI 0.33-0.95), roll (ICC 0.86; 95 % CI 0.49-0.97), and pitch (ICC 0.64; 95 % CI 0.01-0.90), and average for yaw (0.47; 95 % CI -0.24-0.85).
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