Validity and Reliability of the Persian Version of Parkinson’s Disease Sleep Scale-2

Table 1

Main clinical characteristics in people with idiopathic Parkinson’s disease (n = 456).

Items	Variables
Age, years^a	60.7 ± 11.3
Cognition status (Mini-Mental Status Examination)^a	26.2 ± 11.7
Sex^b
Male	277 (60.7%)
Female	179 (39.3%)
Illness duration, years^a	5.5 ± 5.6
HY stage 1^b	212 (46.4%)
HY stage 2^b	167 (36.6%)
HY stage 3^b	34 (7.9%)
HY stage 4^b	43 (9.00%)
Levodopa equivalent daily dose^a	766.50 ± 285.15

^aMean ± SD. ^bNumber (%).