Table 1.
Baseline demographics and disease characteristics
| Characteristic | N = 45 |
| Age, y | |
| Mean (SD) | 69.3 (8.3) |
| Range | 51–89 |
| Age category, n (%) | |
| <70 | 20 (44.4) |
| ≥70 | 25 (55.6) |
| Male, n (%) | 23 (51.1) |
| Female, n (%) | 22 (48.9) |
| Race, n (%) | |
| White | 41 (91.1) |
| Black or African American | 2 (4.4) |
| Asian | 1 (2.2) |
| Other | 1 (2.2) |
| Age at PD onset, mean (SD), y | 61.5 (9.9) |
| Duration of PD, mean (SD), y | 7.8 (5.5) |
| Age at onset of depression with PD (SD), y | 63.9 (10.9) |
| Duration of depression with PD (SD), y | 5.4 (6.8) |
| MMSE score, mean (SD) | 27.6 (2.5) |
| MDS-UPDRS Part III score, mean (SD) | 30.5 (17.3) |
| Assessment score, mean (SD) | |
| HAMD-17 | 19.2 (3.1) |
| CGI-S | 4.1 (0.5) |
| SCOPA-NS | 6.1 (3.4) |
| SCOPA-DS | 5.2 (3.7) |
| SCOPA-GS | 3.9 (1.5) |
| EQ-5D-5L-VAS | 63.9 (16.3) |
CGI-S, Clinical Global Impression–Severity; HAMD-17, Hamilton Depression Scale–17-item version; MDS-UPDRS, Movement Disorder Society–sponsored revision of the Unified Parkinson’s Disease Rating Scale; MMSE, Mini-Mental State Examination; PD, Parkinson’s disease; SCOPA-DS, Scale for Outcomes in Parkinson’s Disease–daytime sleepiness; SCOPA-GS, Scale for Outcomes in Parkinson’s Disease–global sleep; SCOPA-NS, Scale for Outcomes in Parkinson’s Disease–nighttime sleep; EQ-5D-5L-VAS, EuroQol-5 Dimensions-5 Levels Proxy version 1 visual analog scale; SD, standard deviation.