Characteristics of Patient Groups
| Variable | LBD | APS | P |
| Sex (F/M) | 13/15 | 17/15 | 0.605 |
| Age (y) | 63.1 ± 13.8 | 67.6 ± 8.4 | 0.135 |
| Duration (y) | 3.9 ± 2.5 | 3.4 ± 1.8 | 0.398 |
| Follow-up (mo) | 12.1 ± 5.9 | 10.9 ± 4.5 | 0.399 |
| H&Y | 2.7 ± 1.2 | 3.6 ± 0.9 | 0.001 |
| Pretreatment | 24/28 (86%) | 20/32 (63%) | 0.039 |
| Levodopa equivalent (mg) | 527 ± 269 | 714 ± 255 | 0.008 |
| D2R binding (BPND) | 0.56 ± 0.1 | 0.47 ± 0.08 | <0.001 |
Qualitative data are expressed as numbers; continuous data are expressed as mean ± SD.