Table 1.
Demographic information of the patients.
| All patients | Hemorrhagic patients | Non-hemorrhagic patients | P value | |
|---|---|---|---|---|
| Males | 195 | 10 | 185 | 0.026 |
| Females | 157 | 1 | 156 | |
| Hypertension | 103 | 8 | 95 | 0.003 |
| Disease duration (years) | 10.12 ± 3.38 | 12.91 ± 6.24 | 10.03 ± 4.24 | >0.05 |
| Age (years) | 62.22 ± 6.08 | 64.91 ± 4.30 | 62.17 ± 7.93 | >0.05 |
| Preoperative improvement rate | 52.51% ± 13.43% | 54.32% ± 15.38% | 51.52% ± 14.24% | >0.05 |
| Electrode number | 686 | 13 | 673 | |
| Single side | 18 | 1 | 17 | |
| Bilateral side | 334 | 10 | 324 | |
| STN | 325 (633 electrodes) | 9 | 316 | >0.05 |
| GPi | 27 (53 electrodes) | 2 | 25 | |
| Motor function | ||||
| UPDRS-III score postoperatively | 55.62 ± 12.32 | 60.73 ± 16.95 | 55.45 ± 15.81 | >0.05 |
| UPDRS-III score during on time | 26.30 ± 9.10 | 27.27 ± 8.09 | 26.26 ± 11.80 | >0.05 |
| Non-motor function | ||||
| MMSE | 27.02 ± 11.34 | |||
| MoCA | 24.06 ± 3.60 | |||
| NMSQ | 17.3 ± 4.8 | |||
| HAMD | 20.26 ± 5.8 |
STN: subthalamic nucleus; GPi: internal globus pallidus; UPDRS: Unified Parkinson’s Disease Rating Scale; MMSE: Mini-mental State Examination; MoCA: Montreal Cognitive Assessment; NMSQ: Non-motor Symptom Questionnaire; HAMD: Hamilton depression scale.