Table 4 Frequency of the difference in mean values for difference among measurement (mm) and for reproducibility of the measurement method (mm)
Among measurement | Reproducibility of the measurement method | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Range (mm) | Coordinate difference | Coordinate difference | ||||||||||||||
X | Y | Z | Total | X | Y | Z | Total | |||||||||
n | % | n | % | n | % | n | % | n | % | n | % | n | % | n | % | |
≥ 0.3 | 2 | -14.3 | 4 | -28.6 | 6 | -42.9 | 12 | -28.6 | 2 | -14.3 | 4 | -28.6 | 7 | -50 | 13 | -31 |
0.15≤ x < 0.3 | 11 | -78.6 | 6 | -42.9 | 4 | -28.6 | 21 | -50 | 12 | -85.7 | 8 | -57.1 | 4 | -28.6 | 24 | -57.1 |
≤ 0.15 | 1 | -7.1 | 4 | -28.6 | 4 | -28.6 | 9 | -21.4 | 0 | 0 | 2 | -14.3 | 3 | -21.4 | 5 | -11.9 |
Total | 14 | -100 | 14 | -100 | 14 | -100 | 42 | -100 | 14 | -100 | 14 | -100 | 14 | -100 | 42 | -100 |