Table 2.
Descriptive statistics of participants with PD in the included studies.
| Study | Age mean (SD) | MMSE mean (SD) | Duration of PD in years mean (SD) | Hoen and Yahr stage mean (SD) | UPDRS mean (SD) | Medication status (related to anti-Parkinsonian medication) |
|---|---|---|---|---|---|---|
| Agostino et al. (2004) [21] | 64.4 (6.3) | >26 | 7.6 (3.1) | N/A1 | 15.3 (4) (motor score) | On |
| Behrman et al. (2000) [22] | 74 (7) | 28 (1.6) | 7 (4) | 2.6 (0.5) | N/A1 | On |
| Majsak et al. (2008) [23] | 70.4 (3.7) | N/A | 7.3 (7.9) | 3 (0) | 33 (7.5) (motor score) | On |
| Marinelli et al. (2009)a [18] | 60 (7.4) | ≥27 | 8.4 (4.5) | 2 to 2.5 | N/A1 | On |
| Marinelli et al. (2009)b [18] | 57.9 (7.3) | ≥27 | 2.1 (3.1) | 1 to 2 | N/A1 | Off |
| Platz et al. (1998)a [4] | 65.9 (8.3) | 27.7 (1.6) | 7.6 (2.4) | 2.5 (0.5) | 8.0 (4) Bradykinesia score2 | Off |
| Platz et al. (1998)b [4] | 62.0 (14.6) | 28.8 (1) | 4.3 (1.8) | 2.0 (.75) | 4.0 (3.5) Bradykinesia score | Off |
1N/A indicates that the results were not available. SD: standard deviation.
2[24].
Note: a and b are data from two different paradigms within one publication.
c and d are data from two different experiments within one publication.