Reliability of Three Disability Scales for Detection of Independence Loss in Parkinson’s Disease
Table 1
Characteristics of the 158 Parkinson’s disease patients at the 5-year visit.
Characteristics
Overall
Independent
Dependent
Patients, n
158
100
58
Male, n (%)
96 (60.8)
59 (59.0)
37 (63.8)
Age, years
71.4 (9.1)
69.7 (9.5)
74.3 (7.4)
UPDRS motor score
25.2 (12.9)
20.6 (9.7)
33.2 (13.9)
Hoehn and Yahr stage
2.3 (0.8)
2.1 (0.6)
2.8 (0.9)
Stage 1.0/1.5, n (%)
21 (13.2)
20 (20.0)
1 (1.7)
Stage 2.0, n (%)
69 (43.7)
51 (51.0)
18 (31.0)
Stage 2.5, n (%)
32 (20.3)
19 (19.0)
13 (22.4)
Stage 3.0, n (%)
21 (13.2)
7 (7.0)
14 (24.1)
Stage 4.0/5.0, n (%)
14 (8.9)
2 (2.0)
12 (20.7)
Schwab and England score
79.1 (16.4)
85.9 (9.3)
67.2 (19.1)
Score ≥ 90%, n (%)
78 (49.4)
69 (69.0)
9 (15.5)
Score 80%, n (%)
40 (25.3)
23 (23.0)
17 (29.3)
Score < 80%, n (%)
40 (25.3)
8 (8.0)
32 (55.2)
Barthel ADL index
18.5 (3.4)
19.6 (1.0)
16.5 (4.8)
MADRS score
4.4 (5.0)
3.5 (4.3)
6.0 (5.7)
MMSE score
26.7 (3.9)
27.9 (2.9)
24.7 (4.6)
Values are mean (SD) if not otherwise indicated. All differences between independent and dependent patients were significant, except for gender. UPDRS: Unified Parkinson’s Disease Rating Scale; MMSE: Mini-Mental State Examination; MADRS: Montgomery-Åsberg Depression Rating Scale.
