Table 3.
Errors at different tracking distances.
| Distance (cm) | X (mm) | Y (mm) | Z (mm) | D (mm) | P3 |
|---|---|---|---|---|---|
| 30 | 0.9 ± 0.5 | 0.9 ± 0.3 | 1.1 ± 0.5 | 1.8 ± 0.3 | <0.01 |
| 40 | 0.7 ± 0.3 | 1.0 ± 0.4 | 0.6 ± 0.4 | 1.4 ± 0.3 | – |
| 50 | 0.8 ± 0.4 | 0.9 ± 0.5 | 1.2 ± 0.7 | 1.9 ± 0.5 | 0.02 |
| 60 | 1.4 ± 1.0 | 1.4 ± 0.9 | 1.7 ± 0.9 | 3.2 ± 1.5 | <0.01 |
| 70 | 2.0 ± 1.4 | 1.7 ± 1.0 | 1.8 ± 0.7 | 3.5 ± 1.0 | <0.01 |
Statistical significance P3: 40 cm vs. other tracking distances.