Upper Extremity Motor Learning among Individuals with Parkinson's Disease: A Meta-Analysis Evaluating Movement Time in Simple Tasks

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/A^1	15.3 (4) (motor score)	On
Behrman et al. (2000) [22]	74 (7)	28 (1.6)	7 (4)	2.6 (0.5)	N/A^1	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/A^1	On
Marinelli et al. (2009)^b [18]	57.9 (7.3)	≥27	2.1 (3.1)	1 to 2	N/A^1	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 score^2	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.