Table 2

 Characteristics of patients with Parkinson’s disease without dementia

MCINo MCIp Value
H&Y stage, Hoehn and Yahr stage; MCI, mild cognitive impairment; MMSE, Mini-Mental State Examination; NA, non-applicable; PD, Parkinson’s disease.
*Fishers exact test.
Standard deviation is given in parentheses.
Participants812NA
Female/male5/36/60.47*
Mean age (years)77.4 (7.4)69 (8)0.057
Mean MMSE score25.9 (2.9)29.4 (0.5)0.007
Mean education (years)8.4 (1.5)12.5 (3.6)0.013
Mean H&Y stage2.6 (0.8)2.3 (0.4)0.52
Mean duration of PD (years)10.8 (3.7)14.1 (7.1)0.52