Table 1: Repeatability calculation.
| Coordinate | Electrode couple | I measurement | II measurement | Absolute error | Mean | ± | SD | CV | ± | SEM |
|---|---|---|---|---|---|---|---|---|---|---|
| X |
A B C |
10.18 10.41 10.15 |
10.03 10.38 10.16 |
0.15 0.03 0.01 |
0.06 | ± | 0.08 | 0.004 | ± | 0.003 |
| Y |
A B C |
10.76 11.02 11.75 |
10.36 11.04 11.57 |
0.40 0.02 0.18 |
0.20 | ± | 0.19 | 0.01 | ± | 0.01 |
| Z |
A B C |
17.84 17.46 17.99 |
17.87 17.42 17.41 |
0.03 0.04 0.58 |
0.22 | ± | 0.31 | 0.01 | ± | 0.01 |
| 3D |
A B C |
23.19 23.12 23.76 |
22.96 23.09 23.24 |
0.23 0.03 0.52 |
0.26 | ± | 0.25 | 0.01 | ± | 0.004 |