Daytime Sleepiness in Parkinson's Disease: Perception, Influence of Drugs, and Mood Disorder

Table 1

Descriptive statistics (𝑛=42).

Measure	Mean ± SD
Age (years)	61.2±11.3
Gender (masculine/feminine)	25/17^∗
Duration of disease (years)	4.96±3.3
Hoehn and Yahr modified stage	2.1±0.98
Mini-Mental State Examination	26.7±2.6
Epworth sleepiness scale	7.5±4.7
Beck depression inventory	18.7±10.7
Levodopa dosage (mg)	393.45±261.4
Levodopa dosage equivalents (mg)	441.3±272.5

∗Total of patients.