Table 2 Mean (s.d.) for variables used to validate the four-cluster solution
From: The relationships between mild cognitive impairment and phenotype in Parkinson’s disease
YO (N=93) | TD (N=24) | NTD (N=48) | RDP (N=44) | Between-group differences | |
---|---|---|---|---|---|
Age, years | 63.22 (8.6) | 65.79 (8.8) | 68.93 (8.1) | 72.01 (7.3) | F=12.97, df=3, P<0.001 |
Disease duration | 6.59 (4.7) | 3.51 (2.8) | 9.07 (5.7) | 2.14 (1.1) | H=71.02, df=3, P<0.001 |
Hoehn and Yahr stage, raw score | 1.96 (0.5) | 1.54 (0.5) | 2.17 (0.6) | 1.99 (0.6) | H=18.39, df=3, P<0.001 |
PDQ-39 cognitive impairment dimension (Q 30–33), scaled score | 22.78 (17.23) | 22.57 (18.46) | 33.59 (21.21) | 20.39 (15.31) | H=13.03, df=3, P=0.003 |