Mean values of the distances (mm) between the centre and the upper limit of the STN recording areas and the contacts of the electrodes, grouped in relation to their position inside (MEco I) or above (MEco O) the STN recording area and in relation to the time of follow up (3 months and 1 year)
| Distance from the centre of the STN recording area | Statistical comparison between 3 months and 1 year data | ||||
|---|---|---|---|---|---|
| 3 months | 1 year | DF | F | p Value | |
| MEco I: | |||||
| AP | 0.5 (0.4) | 0.5 (0.4) | 28 | 0.346 | 0.561 |
| Lat | 0.4 (0.2) | 0.4 (0.3) | 28 | 0.480 | 0.494 |
| Vert | 1.0 (0.6) | 1.2 (0.6) | 28 | 0.519 | 0.477 |
| MEco O: | |||||
| AP | 1.4 (0.4) | 1.3 (0.4) | 25 | 0.192 | 0.665 |
| Lat | 1.0 (0.4) | 0.9 (0.4) | 25 | 0.049 | 0.826 |
| Vert | 2.6 (0.9) | 2.5 (0.9) | 25 | 0.104 | 0.750 |
| Distance from the upper limit of the STN recording area | Statistical comparison between 3 months and 1 year data | ||||
|---|---|---|---|---|---|
| 3 months | 1 year | DF | F | p Value | |
| Figures in parentheses are SD; DF, degrees of freedom; p values are for comparison between the 3 months and 1 year data. | |||||
| MEco I: | |||||
| AP | 0.5 (0.3) | 0.4 (0.3) | 28 | 0.413 | 0.526 |
| Lat | 0.4 (0.3) | 0.3 (0.2) | 28 | 1.149 | 0.293 |
| Vert | 1.0 (0.5) | 0.8 (0.5) | 28 | 0.601 | 0.445 |
| MEco O: | |||||
| AP | 0.4 (0.3) | 0.3 (0.3) | 25 | 0.070 | 0.794 |
| Lat | 0.3 (0.3) | 0.3 (0.3) | 25 | 0.042 | 0.839 |
| Vert | 1.0 (0.9) | 0.9 (0.8) | 25 | 0.061 | 0.807 |