Table 1.

Demographical and clinical data of patients

Variable	N
Gender (M)	202	105 (52%)
Age (yrs)	202	65.8 ± 9.0
Hoehn and Yahr	185	2.7 ± 0.6
Education (yrs)	202	11.3 ± 4.2
MMSEa [22]	201	28.3 ± 1.6
FABb [23]	201	14.5 ± 2.6
Total UPDRS	135	39.7 ± 13.1
UPDRS III	135	19.3 ± 6.2
UPDRS II	135	14.2 ± 5.7
UPDRS IV	135	4.2 ± 3.7

The MMSE and FAB scores have been corrected for normative data from Italian population. See reference ^a[22] for the validation of Italian version of MMSE and reference ^b[23] for the validation of Italian version of FAB