PARAMETERS

Cognitively impaired group (n = 24)

Cognitively unimpaired group (n = 16)

Independent variables

MMSE

MoCA

MMSE

MoCA

Age

0.602^*

0.739^**

0.586^*

0.512^*

Duration of disease

0.719^**

−0.700^**

−0.26

−0.230

UPDRS

−0.789^**

−0.820^**

0.282

−0.370

Hoehn & Yahr staging

−0.633^*

−0.48^*

0.181

0.327