Mean stereotactic coordinates of active contacts
| Hemibody subgroup | Medial STN border | Midcommissural point | ||||
| Lateral | Anterior | Superior | Lateral | Posterior | Inferior | |
| Non-responding | 3.2±1.4 | 1.3±1.5 | 2.7±1.9 | 12.0±1.2 | 0.9±1.5 | 2.3±1.9 |
| Responding | 3.1±1.2 | 0.9±1.3 | 2.6±1.6 | 12.1±1.3 | 1.3±1.3 | 2.4±1.4 |
| Optimally responding | 2.8±1.2 | 1.1±1.2 | 2.2±1.7 | 11.8±1.4 | 1.2±1.0 | 2.7±1.5 |
No statistical significant differences were found between the subgroups. Numerical data are presented as mean±SD.
STN, subthalamic nucleus.